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Park</title> <meta name="description" content="Search results for: Seung Hwan Park"> <meta name="keywords" content="Seung Hwan Park"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Seung Hwan Park"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 1057</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Seung Hwan Park</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">817</span> Tensile Force Estimation for Real-Size Pre-Stressed Concrete Girder using Embedded Elasto-Magnetic Sensor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Junkyeong%20Kim">Junkyeong Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jooyoung%20Park"> Jooyoung Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Aoqi%20Zhang"> Aoqi Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Seunghee%20Park"> Seunghee Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The tensile force of Pre-Stressed Concrete (PSC) girder is the most important factor for evaluating the performance of PSC girder bridges. To measure the tensile force of PSC girder, several NDT methods were studied. However, conventional NDT method cannot be applied to the real-size PSC girder because the PS tendons could not be approached. To measure the tensile force of real-size PSC girder, this study proposed embedded EM sensor based tensile force estimation method. The embedded EM sensor could be installed inside of PSC girder as a sheath joint before the concrete casting. After curing process, the PS tendons were installed, and the tensile force was induced step by step using hydraulic jacking machine. The B-H loop was measured using embedded EM sensor at each tensile force steps and to compare with actual tensile force, the load cell was installed at each end of girder. The magnetization energy loss, that is the closed area of B-H loop, was decreased according to the increase of tensile force with regular pattern. Thus, the tensile force could be estimated by the tracking the change of magnetization energy loss of PS tendons. Through the experimental result, the proposed method can be used to estimate the tensile force of the in-situ real-size PSC girder bridge. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tensile%20force%20estimation" title="tensile force estimation">tensile force estimation</a>, <a href="https://publications.waset.org/abstracts/search?q=embedded%20EM%20sensor" title=" embedded EM sensor"> embedded EM sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetization%20energy%20loss" title=" magnetization energy loss"> magnetization energy loss</a>, <a href="https://publications.waset.org/abstracts/search?q=PSC%20girder" title=" PSC girder"> PSC girder</a> </p> <a href="https://publications.waset.org/abstracts/57237/tensile-force-estimation-for-real-size-pre-stressed-concrete-girder-using-embedded-elasto-magnetic-sensor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57237.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">337</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">816</span> The Combined Influences of Salinity, Light and Nitrogen Limitation on the Growth and Biochemical Composition of Nannochloropsis sp. and Tetraselmis sp., Isolated from Penang National Park Coastal Waters, Malaysia </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20M.%20Alsull">Mohamed M. Alsull</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, two microalgae species “Nannochloropsis sp. and Tetraselmis sp.” isolated from Penang National Park coastal waters, Malaysia; were cultivated under combined various laboratory conditions “salinity, light, nitrogen limitation and starvation”. Growth rate, dry weight, chlorophyll a content, total lipid and protein contents, were estimated at mid exponential growth phase. Both Nannochloropsis sp. and Tetraselmis sp. showed remarkable decrease in growth rate, chlorophyll a content and protein content companied with increase in lipid content under nitrogen limitation and starvation conditions. Maintaining Nannochloropsis sp. under salinity 15‰ caused only significant decrease in total protein content; while Tetraselmis sp. grown at the same salinity caused decrease in the growth rate, chlorophyll a, dry weight and total protein content only when nitrogen was available. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biochemical%20composition" title="biochemical composition">biochemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=light" title=" light"> light</a>, <a href="https://publications.waset.org/abstracts/search?q=microalgae" title=" microalgae"> microalgae</a>, <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20limitation" title=" nitrogen limitation"> nitrogen limitation</a>, <a href="https://publications.waset.org/abstracts/search?q=salinity" title=" salinity"> salinity</a> </p> <a href="https://publications.waset.org/abstracts/16867/the-combined-influences-of-salinity-light-and-nitrogen-limitation-on-the-growth-and-biochemical-composition-of-nannochloropsis-sp-and-tetraselmis-sp-isolated-from-penang-national-park-coastal-waters-malaysia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16867.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">427</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">815</span> The Energy Efficient Water Reuse by Combination of Nano-Filtration and Capacitive Deionization Processes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Youngmin%20Kim">Youngmin Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Hwan%20Ahn"> Jae-Hwan Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Seog-Ku%20Kim"> Seog-Ku Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hye-Cheol%20Oh"> Hye-Cheol Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Bokjin%20Lee"> Bokjin Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Hee-Jun%20Kang"> Hee-Jun Kang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The high energy consuming processes such as advanced oxidation and reverse osmosis are used as a reuse process. This study aims at developing an energy efficient reuse process by combination of nanofiltration (NF) and capacitive deionization processes (CDI) processes. Lab scale experiments were conducted by using effluents from a wastewater treatment plant located at Koyang city in Korea. Commercial NF membrane (NE4040-70, Toray Ltd.) and CDI module (E40, Siontech INC.) were tested in series. The pollutant removal efficiencies were evaluated on the basis of Korean water quality criteria for water reuse. In addition, the energy consumptions were also calculated. As a result, the hybrid process showed lower energy consumption than conventional reverse osmosis process even though its effluent did meet the Korean standard. Consequently, this study suggests that the hybrid process is feasible for the energy efficient water reuse. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=capacitive%20deionization" title="capacitive deionization">capacitive deionization</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20efficient%20process" title=" energy efficient process"> energy efficient process</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofiltration" title=" nanofiltration"> nanofiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20reuse" title=" water reuse"> water reuse</a> </p> <a href="https://publications.waset.org/abstracts/87033/the-energy-efficient-water-reuse-by-combination-of-nano-filtration-and-capacitive-deionization-processes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87033.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">182</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">814</span> Multi-Criteria Geographic Information System Analysis of the Costs and Environmental Impacts of Improved Overland Tourist Access to Kaieteur National Park, Guyana</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mark%20R.%20Leipnik">Mark R. Leipnik</a>, <a href="https://publications.waset.org/abstracts/search?q=Dahlia%20Durga"> Dahlia Durga</a>, <a href="https://publications.waset.org/abstracts/search?q=Linda%20Johnson-Bhola"> Linda Johnson-Bhola</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Kaieteur is the most iconic National Park in the rainforest-clad nation of Guyana in South America. However, the magnificent 226-meter-high waterfall at its center is virtually inaccessible by surface transportation, and the occasional charter flights to the small airstrip in the park are too expensive for many tourists and residents. Thus, the largest waterfall in all of Amazonia, where the Potaro River plunges over a single free drop twice as high as Victoria Falls, remains preserved in splendid isolation inside a 57,000-hectare National Park established by the British in 1929, in the deepest recesses of a remote jungle canyon. Kaieteur Falls are largely unseen firsthand, but images of the falls are depicted on the Guyanese twenty dollar note, in every Guyanese tourist promotion, and on many items in the national capital of Georgetown. Georgetown is only 223-241 kilometers away from the falls. The lack of a single mileage figure demonstrates there is no single overland route. Any journey, except by air, involves changes of vehicles, a ferry ride, and a boat ride up a jungle river. It also entails hiking for many hours to view the falls. Surface access from Georgetown (or any city) is thus a 3-5 day-long adventure; even in the dry season, during the two wet seasons, travel is a particularly sticky proposition. This journey was made overland by the paper's co-author Dahlia Durga. This paper focuses on potential ways to improve overland tourist access to Kaieteur National Park from Georgetown. This is primarily a GIS-based analysis, using multiple criteria to determine the least cost means of creating all-weather road access to the area near the base of the falls while minimizing distance and elevation changes. Critically, it also involves minimizing the number of new bridges required to be built while utilizing the one existing ferry crossings of a major river. Cost estimates are based on data from road and bridge construction engineers operating currently in the interior of Guyana. The paper contains original maps generated with ArcGIS of the potential routes for such an overland connection, including the one deemed optimal. Other factors, such as the impact on endangered species habitats and Indigenous populations, are considered. This proposed infrastructure development is taking place at a time when Guyana is undergoing the largest boom in its history due to revenues from offshore oil and gas development. Thus, better access to the most important tourist attraction in the country is likely to happen eventually in some manner. But the questions of the most environmentally sustainable and least costly alternatives for such access remain. This paper addresses those questions and others related to access to this magnificent natural treasure and the tradeoffs such access will have on the preservation of the currently pristine natural environment of Kaieteur Falls. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nature%20tourism" title="nature tourism">nature tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=Amazonia" title=" Amazonia"> Amazonia</a>, <a href="https://publications.waset.org/abstracts/search?q=national%20parks" title=" national parks"> national parks</a> </p> <a href="https://publications.waset.org/abstracts/149445/multi-criteria-geographic-information-system-analysis-of-the-costs-and-environmental-impacts-of-improved-overland-tourist-access-to-kaieteur-national-park-guyana" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149445.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">166</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">813</span> Preparation of Nb Silicide-Based Alloy Powder by Hydrogenation-Dehydrogenation (HDH) Reaction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gi-Beom%20Park">Gi-Beom Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyong-Gi%20Park"> Hyong-Gi Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Seong-Yong%20Lee"> Seong-Yong Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaeho%20Choi"> Jaeho Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Seok%20Hong%20Min"> Seok Hong Min</a>, <a href="https://publications.waset.org/abstracts/search?q=Tae%20Kwon%20Ha"> Tae Kwon Ha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Nb silicide-based alloy has the excellent high-temperature strength and relatively lower density than the Ni-based superalloy; therefore, it has been receiving a lot of attention for the next generation high-temperature material. To enhance the high temperature creep property and oxidation resistance, Si was added to the Nb-based alloy, resulting in a multi-phase microstructure with metal solid solution and silicide phase. Since the silicide phase has a low machinability due to its brittle nature, it is necessary to fabricate components using the powder metallurgy. However, powder manufacturing techniques for the alloys have not yet been developed. In this study, we tried to fabricate Nb-based alloy powder by the hydrogenation-dehydrogenation reaction. The Nb-based alloy ingot was prepared by vacuum arc melting and it was annealed in the hydrogen atmosphere for the hydrogenation. After annealing, the hydrogen concentration was increased from 0.004wt% to 1.22wt% and Nb metal phase was transformed to Nb hydride phase. The alloy after hydrogenation could be easily pulverized into powder by ball milling due to its brittleness. For dehydrogenation, the alloy powders were annealed in the vacuum atmosphere. After vacuum annealing, the hydrogen concentration was decreased to 0.003wt% and Nb hydride phase was transformed back to Nb metal phase. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nb%20alloy" title="Nb alloy">Nb alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=Nb%20metal%20and%20silicide%20composite" title=" Nb metal and silicide composite"> Nb metal and silicide composite</a>, <a href="https://publications.waset.org/abstracts/search?q=powder" title=" powder"> powder</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogenation-dehydrogenation%20reaction" title=" hydrogenation-dehydrogenation reaction"> hydrogenation-dehydrogenation reaction</a> </p> <a href="https://publications.waset.org/abstracts/96692/preparation-of-nb-silicide-based-alloy-powder-by-hydrogenation-dehydrogenation-hdh-reaction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96692.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">245</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">812</span> Cooperative CDD Scheme Based On Hierarchical Modulation in OFDM System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seung-Jun%20Yu">Seung-Jun Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yeong-Seop%20Ahn"> Yeong-Seop Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Young-Min%20Ko"> Young-Min Ko</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyoung-Kyu%20Song">Hyoung-Kyu Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to achieve high data rate and increase the spectral efficiency, multiple input multiple output (MIMO) system has been proposed. However, multiple antennas are limited by size and cost. Therefore, recently developed cooperative diversity scheme, which profits the transmit diversity only with the existing hardware by constituting a virtual antenna array, can be a solution. However, most of the introduced cooperative techniques have a common fault of decreased transmission rate because the destination should receive the decodable compositions of symbols from the source and the relay. In this paper, we propose a cooperative cyclic delay diversity (CDD) scheme that uses hierarchical modulation. This scheme is free from the rate loss and allows seamless cooperative communication. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MIMO" title="MIMO">MIMO</a>, <a href="https://publications.waset.org/abstracts/search?q=cooperative%20communication" title=" cooperative communication"> cooperative communication</a>, <a href="https://publications.waset.org/abstracts/search?q=CDD" title=" CDD"> CDD</a>, <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20modulation" title=" hierarchical modulation"> hierarchical modulation</a> </p> <a href="https://publications.waset.org/abstracts/32286/cooperative-cdd-scheme-based-on-hierarchical-modulation-in-ofdm-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32286.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">549</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">811</span> Measuring Science and Technology Innovation Capacity in Developing Countries: From a National Innovation System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Haeng%20A.%20Seo">Haeng A. Seo</a>, <a href="https://publications.waset.org/abstracts/search?q=Changseok%20Oh"> Changseok Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Seung%20Jun%20Yoo"> Seung Jun Yoo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study attempts to examine the disparities in S&T innovation capacity from 14 developing countries to discuss how to support specific features in national innovation systems. It includes East-Asian, Middle-Asian, Central American and African countries. Here, we particularly focus on five dimensions- resources, activities, network, environment and performance- with 37 indicators. They were derived as structuring components of the relevant diagnostic model, which encompasses the whole process of S&T innovation from the input of resources to the output of economically valuable results. For many developing nations, economic industries remain weaker than actual S&T capabilities, and relevant regulatory authorities may not exist. This paper will be helpful to provide basic evidence and to set directions for better national S&T Innovation capacities and toward national competitiveness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=developing%20countries" title="developing countries">developing countries</a>, <a href="https://publications.waset.org/abstracts/search?q=measurement" title=" measurement"> measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=NIS" title=" NIS"> NIS</a>, <a href="https://publications.waset.org/abstracts/search?q=S%26T%20innovation%20capacity" title=" S&T innovation capacity"> S&T innovation capacity</a> </p> <a href="https://publications.waset.org/abstracts/54869/measuring-science-and-technology-innovation-capacity-in-developing-countries-from-a-national-innovation-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54869.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">284</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">810</span> New Moment Rotation Model of Single Web Angle Connections</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhengyi%20Kong">Zhengyi Kong</a>, <a href="https://publications.waset.org/abstracts/search?q=Seung-Eock%20Kim"> Seung-Eock Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Single angle connections, which are bolted to the beam web and the column flange, are studied to investigate moment-rotation behavior. Elastic–perfectly plastic material behavior is assumed. ABAQUS software is used to analyze the nonlinear behavior of a single angle connection. The same geometric and material conditions with Yanglin Gong’s test are used for verifying finite element models. Since Kishi and Chen’s Power model and Lee and Moon’s Log model are accurate only for a limited range, simpler and more accurate hyperbolic function models are proposed. The equation for calculating rotation at ultimate moment is first proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title="finite element method">finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=moment%20and%20rotation" title=" moment and rotation"> moment and rotation</a>, <a href="https://publications.waset.org/abstracts/search?q=rotation%20at%20ultimate%20moment" title=" rotation at ultimate moment"> rotation at ultimate moment</a>, <a href="https://publications.waset.org/abstracts/search?q=single-web%20angle%20connections" title=" single-web angle connections "> single-web angle connections </a> </p> <a href="https://publications.waset.org/abstracts/24311/new-moment-rotation-model-of-single-web-angle-connections" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24311.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">431</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">809</span> Survey of Related Field for Artificial Intelligence Window Development</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young%20Kwon%20Yang">Young Kwon Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%20Rang%20Park"> Bo Rang Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyo%20Eun%20Lee"> Hyo Eun Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Tea%20Won%20Kim"> Tea Won Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Eun%20Ji%20Choi"> Eun Ji Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20Chul%20Park"> Jin Chul Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To develop an artificial intelligence based automatic ventilation system, recent research trends were analyzed and analyzed. This research method is as follows. In the field of architecture and window technology, the use of artificial intelligence, the existing study of machine learning model and the theoretical review of the literature were carried out. This paper collected journals such as Journal of Energy and Buildings, Journal of Renewable and Sustainable Energy Reviews, and articles published on Web-sites. The following keywords were searched for articles from 2000 to 2016. We searched for the above keywords mainly in the title, keyword, and abstract. As a result, the global artificial intelligence market is expected to grow at a CAGR of 14.0% from USD127bn in 2015 to USD165bn in 2017. Start-up investments in artificial intelligence increased from the US $ 45 million in 2010 to the US $ 310 million in 2015, and the number of investments increased from 6 to 54. Although AI is making efforts to advance to advanced countries, the level of technology is still in its infant stage. Especially in the field of architecture, artificial intelligence (AI) is very rare. Based on the data of this study, it is expected that the application of artificial intelligence and the application of architectural field will be revitalized through the activation of artificial intelligence in the field of architecture and window. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=window" title=" window"> window</a>, <a href="https://publications.waset.org/abstracts/search?q=fine%20dust" title=" fine dust"> fine dust</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20comfort" title=" thermal comfort"> thermal comfort</a>, <a href="https://publications.waset.org/abstracts/search?q=ventilation%20system" title=" ventilation system"> ventilation system</a> </p> <a href="https://publications.waset.org/abstracts/85807/survey-of-related-field-for-artificial-intelligence-window-development" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85807.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">275</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">808</span> Comparison of Visual Field Tests in Glaucoma Patients with a Central Visual Field Defect</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hye-Young%20Shin">Hye-Young Shin</a>, <a href="https://publications.waset.org/abstracts/search?q=Hae-Young%20Lopilly%20Park"> Hae-Young Lopilly Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Chan%20Kee%20Park"> Chan Kee Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We compared the 24-2 and 10-2 visual fields (VFs) and investigate the degree of discrepancy between the two tests in glaucomatous eyes with central VF defects. In all, 99 eyes of 99 glaucoma patients who underwent both the 24-2 VF and 10-2 VF tests within 6 months were enrolled retrospectively. Glaucomatous eyes involving a central VF defect were divided into three groups based on the average total deviation (TD) of 12 central points in the 24-2 VF test (N = 33, in each group): group 1 (tercile with the highest TD), group 2 (intermediate TD), and group 3 (lowest TD). The TD difference was calculated by subtracting the average TD of the 10-2 VF test from the average TD of 12 central points in the 24-2 VF test. The absolute central TD difference in each quadrant was defined as the absolute value of the TD value obtained by subtracting the average TD of four central points in the 10-2 VF test from the innermost TD in the 24-2 VF test in each quadrant. The TD differences differed significantly between group 3 and groups 1 and 2 (P < 0.001). In the superonasal quadrant, the absolute central TD difference was significantly greater in group 2 than in group 1 (P < 0.05). In the superotemporal quadrant, the absolute central TD difference was significantly greater in group 3 than in groups 1 and 2 (P < 0.001). Our results indicate that the results of VF tests for different VFs can be inconsistent, depending on the degree of central defects and the VF quadrant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=central%20visual%20field%20defect" title="central visual field defect">central visual field defect</a>, <a href="https://publications.waset.org/abstracts/search?q=glaucoma" title=" glaucoma"> glaucoma</a>, <a href="https://publications.waset.org/abstracts/search?q=10-2%20visual%20field" title=" 10-2 visual field"> 10-2 visual field</a>, <a href="https://publications.waset.org/abstracts/search?q=24-2%20visual%20field" title=" 24-2 visual field"> 24-2 visual field</a> </p> <a href="https://publications.waset.org/abstracts/97801/comparison-of-visual-field-tests-in-glaucoma-patients-with-a-central-visual-field-defect" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97801.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">176</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">807</span> The Estimation Method of Stress Distribution for Beam Structures Using the Terrestrial Laser Scanning</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sang%20Wook%20Park">Sang Wook Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Jun%20Su%20Park"> Jun Su Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Byung%20Kwan%20Oh"> Byung Kwan Oh</a>, <a href="https://publications.waset.org/abstracts/search?q=Yousok%20Kim"> Yousok Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyo%20Seon%20Park"> Hyo Seon Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study suggests the estimation method of stress distribution for the beam structures based on TLS (Terrestrial Laser Scanning). The main components of method are the creation of the lattices of raw data from TLS to satisfy the suitable condition and application of CSSI (Cubic Smoothing Spline Interpolation) for estimating stress distribution. Estimation of stress distribution for the structural member or the whole structure is one of the important factors for safety evaluation of the structure. Existing sensors which include ESG (Electric strain gauge) and LVDT (Linear Variable Differential Transformer) can be categorized as contact type sensor which should be installed on the structural members and also there are various limitations such as the need of separate space where the network cables are installed and the difficulty of access for sensor installation in real buildings. To overcome these problems inherent in the contact type sensors, TLS system of LiDAR (light detection and ranging), which can measure the displacement of a target in a long range without the influence of surrounding environment and also get the whole shape of the structure, has been applied to the field of structural health monitoring. The important characteristic of TLS measuring is a formation of point clouds which has many points including the local coordinate. Point clouds is not linear distribution but dispersed shape. Thus, to analyze point clouds, the interpolation is needed vitally. Through formation of averaged lattices and CSSI for the raw data, the method which can estimate the displacement of simple beam was developed. Also, the developed method can be extended to calculate the strain and finally applicable to estimate a stress distribution of a structural member. To verify the validity of the method, the loading test on a simple beam was conducted and TLS measured it. Through a comparison of the estimated stress and reference stress, the validity of the method is confirmed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=structural%20healthcare%20monitoring" title="structural healthcare monitoring">structural healthcare monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=terrestrial%20laser%20scanning" title=" terrestrial laser scanning"> terrestrial laser scanning</a>, <a href="https://publications.waset.org/abstracts/search?q=estimation%20of%20stress%20distribution" title=" estimation of stress distribution"> estimation of stress distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=coordinate%20transformation" title=" coordinate transformation"> coordinate transformation</a>, <a href="https://publications.waset.org/abstracts/search?q=cubic%20smoothing%20spline%20interpolation" title=" cubic smoothing spline interpolation"> cubic smoothing spline interpolation</a> </p> <a href="https://publications.waset.org/abstracts/25460/the-estimation-method-of-stress-distribution-for-beam-structures-using-the-terrestrial-laser-scanning" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25460.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">433</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">806</span> A Study on the Method of Accelerated Life Test to Electric Rotating System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Youn-Hwan%20Kim">Youn-Hwan Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Won%20Moon"> Jae-Won Moon</a>, <a href="https://publications.waset.org/abstracts/search?q=Hae-Joong%20Kim"> Hae-Joong Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper introduces the study on the method of accelerated life test to electrical rotating system. In recent years, as well as efficiency for motors and generators, there is a growing need for research on the life expectancy. It is considered impossible to calculate the acceleration coefficient by increasing the rotational load or temperature load as the acceleration stress in the motor system because the temperature of the copper exceeds the wire thermal class rating. In this paper, the accelerated life test methods of the electrical rotating system are classified according to the application. This paper describes the development of the test procedure for the highly accelerated life test (HALT) of the 100kW permanent magnet synchronous motor (PMSM) of electric vehicle. Finally, it explains how to select acceleration load for vibration, temperature, bearing load, etc. for accelerated life test. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acceleration%20coefficient" title="acceleration coefficient">acceleration coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20vehicle%20motor" title=" electric vehicle motor"> electric vehicle motor</a>, <a href="https://publications.waset.org/abstracts/search?q=HALT" title=" HALT"> HALT</a>, <a href="https://publications.waset.org/abstracts/search?q=life%20expectancy" title=" life expectancy"> life expectancy</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration" title=" vibration"> vibration</a> </p> <a href="https://publications.waset.org/abstracts/74733/a-study-on-the-method-of-accelerated-life-test-to-electric-rotating-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74733.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">326</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">805</span> Insufficiency Fracture of Femoral Head in Patients Treated With Intramedullary Nailing for Proximal Femur Fracture </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jai%20Hyung%20Park">Jai Hyung Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Eugene%20Kim"> Eugene Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20Hun%20Park"> Jin Hun Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Min%20Joon%20Oh"> Min Joon Oh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Subchondral insufficiency fracture of the femoral head (SIF) is a rare complication; however, it has been recognized to cause femoral head collapse. Subchondral insufficiency fracture (SIF) is caused by normal or physiological stress without any trauma. It has been reported in osteoporotic patients after the fixation of the proximal femur with an Intramedullary nail. Case presentation: We reported 5 cases with SIF of the femoral head after proximal femur fracture fixation with Intra-medullary nail. All patients had osteoporosis as an underlying disease. Good reduction was achieved in all 5 patients. SIF was found from about 3 months to 4 years after the initial operation, and all the fractures were solidly united at the final diagnosis. We investigated retrospectively the feature of those cases and several factors that affected the occurrence of SIF. Discussion: There are a few discussions regarding the SIF of the femoral head. These discussions may include the predisposing risk factors, how to diagnose the SIF in osteoporotic patients, and the peri-operative factors to prevent SIF. Conclusion: Subchondral insufficiency fracture of the femoral head is a considerable complication after the internal fixation of the proximal femur. There are several factors that can be modified. If they could be controlled in the peri-operative period, SIF could be prevented or handled in advance. Other options related to arthroplasty can be considered in old osteoporotic patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=insufficiency%20fracture%20of%20femoral%20head" title="insufficiency fracture of femoral head">insufficiency fracture of femoral head</a>, <a href="https://publications.waset.org/abstracts/search?q=intra-medullary%20nail" title=" intra-medullary nail"> intra-medullary nail</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoporosis" title=" osteoporosis"> osteoporosis</a>, <a href="https://publications.waset.org/abstracts/search?q=proximal%20femur%20fracture" title=" proximal femur fracture"> proximal femur fracture</a> </p> <a href="https://publications.waset.org/abstracts/117685/insufficiency-fracture-of-femoral-head-in-patients-treated-with-intramedullary-nailing-for-proximal-femur-fracture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/117685.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">128</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">804</span> Design of an Eddy Current Brake System for the Use of Roller Coasters Based on a Human Factors Engineering Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adam%20L.%20Yanagihara">Adam L. Yanagihara</a>, <a href="https://publications.waset.org/abstracts/search?q=Yong%20Seok%20Park"> Yong Seok Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The goal of this paper is to converge upon a design of a brake system that could be used for a roller coaster found at an amusement park. It was necessary to find what could be deemed as a “comfortable” deceleration so that passengers do not feel as if they are suddenly jerked and pressed against the restraining harnesses. A human factors engineering approach was taken in order to determine this deceleration. Using a previous study that tested the deceleration of transit vehicles, it was found that a -0.45 G deceleration would be used as a design requirement to build this system around. An adjustable linear eddy current brake using permanent magnets would be the ideal system to use in order to meet this design requirement. Anthropometric data were then used to determine a realistic weight and length of the roller coaster that the brake was being designed for. The weight and length data were then factored into magnetic brake force equations. These equations were used to determine how the brake system and the brake run layout would be designed. A final design for the brake was determined and it was found that a total of 12 brakes would be needed with a maximum braking distance of 53.6 m in order to stop a roller coaster travelling at its top speed and loaded to maximum capacity. This design is derived from theoretical calculations, but is within the realm of feasibility. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eddy%20current%20brake" title="eddy current brake">eddy current brake</a>, <a href="https://publications.waset.org/abstracts/search?q=engineering%20design" title=" engineering design"> engineering design</a>, <a href="https://publications.waset.org/abstracts/search?q=design%20synthesis" title=" design synthesis"> design synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20factors%20engineering" title=" human factors engineering"> human factors engineering</a> </p> <a href="https://publications.waset.org/abstracts/123650/design-of-an-eddy-current-brake-system-for-the-use-of-roller-coasters-based-on-a-human-factors-engineering-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123650.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">123</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">803</span> A Study on the Optimal Placement and Control Scheme for Multi Terminal HVDC in Korea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chur%20Hee%20Lee">Chur Hee Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Ju%20Sik%20Kwak"> Ju Sik Kwak</a>, <a href="https://publications.waset.org/abstracts/search?q=Seung%20Wan%20Kim"> Seung Wan Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals about economics and control of optimal placement of multi-terminal HVDC in Korea. Currently, No.1 and 2 HVDC are installed in Jeju and Mainland, Dangjin Godeok HVDC starts operation in 2020. Jeju No.3 HVDC also starts operation in 2022. HVDC systems in Korea are expanding. Also, super grid projects with China, Japan, and Russia are under consideration. In this situation, it is necessary to study how to install optimal HVDC in Korea and how to control it. After initializing the Optical Polwer Flow (OPF) procudure using lossless economic dispatch, grobal iteration will be set. And then, this will be formed as the Lagrangian function and linearizied. We will also analyze the advantages and disadvantages of each operation mode for optimal operating conditions of voltage and current complex HVDC in Korea. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=economics" title="economics">economics</a>, <a href="https://publications.waset.org/abstracts/search?q=HVDC" title=" HVDC"> HVDC</a>, <a href="https://publications.waset.org/abstracts/search?q=multi%20terminal" title=" multi terminal"> multi terminal</a>, <a href="https://publications.waset.org/abstracts/search?q=optimal" title=" optimal "> optimal </a> </p> <a href="https://publications.waset.org/abstracts/123317/a-study-on-the-optimal-placement-and-control-scheme-for-multi-terminal-hvdc-in-korea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123317.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">212</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">802</span> Critical Factors in the Formation, Development and Survival of an Eco-Industrial Park: A Systemic Understanding of Industrial Symbiosis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iv%C3%A1n%20Gonz%C3%A1lez">Iván González</a>, <a href="https://publications.waset.org/abstracts/search?q=Pablo%20Andr%C3%A9s%20Maya"> Pablo Andrés Maya</a>, <a href="https://publications.waset.org/abstracts/search?q=Sebasti%C3%A1n%20Ja%C3%A9n"> Sebastián Jaén</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Eco-industrial parks (EIPs) work as networks for the exchange of by-products, such as materials, water, or energy. This research identifies the relevant factors in the formation of EIPs in different industrial environments around the world. Then an aggregation of these factors is carried out to reduce them from 50 to 17 and classify them according to 5 fundamental axes. Subsequently, the Vester Sensitivity Model (VSM) systemic methodology is used to determine the influence of the 17 factors on an EIP system and the interrelationship between them. The results show that the sequence of effects between factors: Trust and Cooperation → Business Association → Flows → Additional Income represents the “backbone” of the system, being the most significant chain of influences. In addition, the Organizational Culture represents the turning point of the Industrial Symbiosis on which it must act correctly to avoid falling into unsustainable economic development. Finally, the flow of Information should not be lost since it is what feeds trust between the parties, and the latter strengthens the system in the face of individual or global imbalances. This systemic understanding will enable the formulation of pertinent policies by the actors that interact in the formation and permanence of the EIP. In this way, it seeks to promote large-scale sustainable industrial development, integrating various community actors, which in turn will give greater awareness and appropriation of the current importance of sustainability in industrial production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=critical%20factors" title="critical factors">critical factors</a>, <a href="https://publications.waset.org/abstracts/search?q=eco-industrial%20park" title=" eco-industrial park"> eco-industrial park</a>, <a href="https://publications.waset.org/abstracts/search?q=industrial%20symbiosis" title=" industrial symbiosis"> industrial symbiosis</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20methodology" title=" system methodology"> system methodology</a> </p> <a href="https://publications.waset.org/abstracts/150237/critical-factors-in-the-formation-development-and-survival-of-an-eco-industrial-park-a-systemic-understanding-of-industrial-symbiosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150237.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">124</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">801</span> A Framework for the Evaluation of Infrastructures’ Serviceability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyonghoon%20Kim">Kyonghoon Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Wonyoung%20Park"> Wonyoung Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Taeil%20Park"> Taeil Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In 1994, Korea experienced a national tragedy of Seongsu Bridge collapse. The accident was severe enough to alert governmental officers to the problem of existing management policy for national infrastructures. As a result, government legislated the ‘Guidelines for the safety inspection and test of infrastructure’ which have been utilized as the primary tool to make decision for the maintenance and rehabilitation of infrastructure for last twenty years. Although it is clear that the guideline established a basics how to evaluate and manage the condition of infrastructures in systematic manner, it is equally clear that the guideline needs improvements in order to obtain reasonable investment decisions for budget allocation. Because its inspection and evaluation procedures mainly focused on the structural condition of infrastructures, it was hard to make decision when the infrastructures were in same level of structural condition. In addition, it did not properly reflect various aspects of infrastructures such as performance, public demand, capacity, etc., which were more valuable to public. Regardless of the importance, these factors were commonly neglected in governmental decision-making process, because there factors were somewhat subjective and difficult to quantify in rational manner. Thus, this study proposes a framework to properly evaluate the serviceability indicators using AHP and Fuzzy approach. The framework is expected to assist governmental agency in establishing effective investment strategies for budget planning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infrastructure" title="infrastructure">infrastructure</a>, <a href="https://publications.waset.org/abstracts/search?q=evaluation" title=" evaluation"> evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=serviceability" title=" serviceability"> serviceability</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy" title=" fuzzy"> fuzzy</a> </p> <a href="https://publications.waset.org/abstracts/26919/a-framework-for-the-evaluation-of-infrastructures-serviceability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26919.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">286</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">800</span> The Effects of Perceived Organizational Support and Abusive Supervision on Employee’s Turnover Intention: The Mediating Roles of Psychological Contract and Emotional Exhaustion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seung%20Yeon%20Son">Seung Yeon Son</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Workers (especially, competent personnel) have been recognized as a core contributor to overall organizational effectiveness. Hence, verifying the determinants of turnover intention is one of the most important research issues. This study tested the influence of perceived organizational support and abusive supervision on employee’s turnover intention. In addition, mediating roles of psychological contract and emotional exhaustion were examined. Data from 255 Korean employees supported all hypotheses Implications for research and directions for future research are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=abusive%20supervision" title="abusive supervision">abusive supervision</a>, <a href="https://publications.waset.org/abstracts/search?q=emotional%20exhaustion" title=" emotional exhaustion"> emotional exhaustion</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20organizational%20support" title=" perceived organizational support"> perceived organizational support</a>, <a href="https://publications.waset.org/abstracts/search?q=psychological%20contract" title=" psychological contract"> psychological contract</a>, <a href="https://publications.waset.org/abstracts/search?q=turnover%20intention" title=" turnover intention"> turnover intention</a> </p> <a href="https://publications.waset.org/abstracts/2092/the-effects-of-perceived-organizational-support-and-abusive-supervision-on-employees-turnover-intention-the-mediating-roles-of-psychological-contract-and-emotional-exhaustion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2092.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">493</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">799</span> Secondary Science Teachers' Views about Purposes of Practical Works in School Science</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kew-Cheol%20Shim">Kew-Cheol Shim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sung-Hwan%20Moon"> Sung-Hwan Moon</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Hyon%20Kil"> Ji-Hyon Kil</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyoungho%20Kim"> Kyoungho Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper was to examine views of secondary school science teachers about purposes to use practical works in school science. The instrument to survey consisted eighteen items, which were categorized into four components as follows: ‘Scientific inquiry’, ‘Scientific knowledge’, ‘Science-related attitude’, and ‘STS (science-technology-society)’. Subjects were 152 secondary school science teachers (male 70 and female 82; middle school 50 and high school 102), who are teaching in 42 schools of 8 provinces. On the survey, science teachers were asked to answer on 5-point Lickert scale (from 1 to 5) how they thought of using practical works on purposes with domains of science objectives in school. They had positive views about using practical works for improving scientific inquiry process skills, science-related attitudes, and perceptions about STS literacy, and acquiring scientific knowledge. They would have the most willingness of using practical works for ‘Scientific Inquiry’ among domains of science objectives in school. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=secondary%20school" title="secondary school">secondary school</a>, <a href="https://publications.waset.org/abstracts/search?q=science%20teacher" title=" science teacher"> science teacher</a>, <a href="https://publications.waset.org/abstracts/search?q=practical%20work" title=" practical work"> practical work</a>, <a href="https://publications.waset.org/abstracts/search?q=scientific%20inquiry" title=" scientific inquiry"> scientific inquiry</a>, <a href="https://publications.waset.org/abstracts/search?q=scientific%20knowledge" title=" scientific knowledge"> scientific knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=scientific%20attitude" title=" scientific attitude"> scientific attitude</a>, <a href="https://publications.waset.org/abstracts/search?q=STS" title=" STS"> STS</a> </p> <a href="https://publications.waset.org/abstracts/10717/secondary-science-teachers-views-about-purposes-of-practical-works-in-school-science" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10717.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">490</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">798</span> A Literature Review of Ergonomics Sitting Studies to Characterize Safe and Unsafe Sitting Behaviors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yoonjin%20Lee">Yoonjin Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongwook%20Hwang"> Dongwook Hwang</a>, <a href="https://publications.waset.org/abstracts/search?q=Juhee%20Park"> Juhee Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Woojin%20Park"> Woojin Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As undesirable sitting posture is known to be a major cause of musculoskeletal disorder of office workers, sitting has attracted attention on occupational health. However, there seems to be no consensus on what are safe and unsafe sitting behaviors. The purpose of this study was to characterize safe and unsafe behaviors based on scientific findings of sitting behavior. Three objectives were as follows; to identify different sitting behaviors measure used in ergonomics studies on safe sitting, for each measure identified, to find available findings or recommendations on safe and unsafe sitting behaviors along with relevant empirical grounds, and to synthesize the findings or recommendations to provide characterizations of safe and unsafe behaviors. A systematic review of electronic databases (Google Scholar, PubMed, Web of Science) was conducted for extensive search of sitting behavior. Key terms included awkward sitting position, sedentary sitting, dynamic sitting, sitting posture, sitting posture, and sitting biomechanics, etc. Each article was systemically abstracted to extract a list of studied sitting behaviors, measures used to study the sitting behavior, and presence of empirical evidence of safety of the sitting behaviors. Finally, characterization of safe and unsafe sitting behavior was conducted based on knowledge with empirical evidence. This characterization is expected to provide useful knowledge for evaluation of sitting behavior and about postures to be measured in development of sensing chair. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sitting%20position" title="sitting position">sitting position</a>, <a href="https://publications.waset.org/abstracts/search?q=sitting%20biomechanics" title=" sitting biomechanics"> sitting biomechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=sitting%20behavior" title=" sitting behavior"> sitting behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=unsafe%20sitting" title=" unsafe sitting"> unsafe sitting</a> </p> <a href="https://publications.waset.org/abstracts/52542/a-literature-review-of-ergonomics-sitting-studies-to-characterize-safe-and-unsafe-sitting-behaviors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52542.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">797</span> Sustainable Perspectives and Local Development Potential through Tourism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pedro%20H.%20S.%20Messetti">Pedro H. S. Messetti</a>, <a href="https://publications.waset.org/abstracts/search?q=Mary%20L.%20G.%20S.%20Senna"> Mary L. G. S. Senna</a>, <a href="https://publications.waset.org/abstracts/search?q=Afonso%20R.%20Aquino"> Afonso R. Aquino</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sustainability is a very important and heavily discussed subject, expanding through tourism as well. The study proposition was to collect data and present it to the competent bodies so they can mold their public politics to improve the conditions of the site. It was hypothesized that the lack of data is currently affecting the quality of life and the sustainable development of the site and the tourism. The research was held in Mateiros, a city in the state of Tocantins (TO)/Brasil, 275km far from the capital city Palmas, being one of the 8 cities that comprises the Jalapão region, an ecotourism and adventure tourism site as well as an environmental protection area (Jalapão State Park). Because of the concentration of tourists during the high season and several tourist attractions being around, the research took place in Mateiros. The methodological procedure had a script of theoretical construction and investigation of the deductive scientific method parameters through a case study in the Jalapão/TO/Brazil region, using it as a tool for a questionnaire given to the competent bodies in an interview system with the UN sustainability indexes as a base. In the three sustainable development scope: environmental, social and economic, the results indicated that the data presented by the interviewed were scarce or nonexistent. It shows that more research is necessary, providing the tools for the ones responsible to propose action plans to improve the site, strengthening the tourism and making it even more sustainable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jalap%C3%A3o%2FBrazil%20state%20park" title="Jalapão/Brazil state park">Jalapão/Brazil state park</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20tourism" title=" sustainable tourism"> sustainable tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=UN%20sustainability%20indexes" title=" UN sustainability indexes"> UN sustainability indexes</a> </p> <a href="https://publications.waset.org/abstracts/34688/sustainable-perspectives-and-local-development-potential-through-tourism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34688.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">381</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">796</span> Research on Ecological Space Improvement Strategy from the Perspective of Urban Double Reform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sisi%20Xia">Sisi Xia</a>, <a href="https://publications.waset.org/abstracts/search?q=Dezhuan%20Tao"> Dezhuan Tao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Urban Double Reform is an effective means to improve the quality of ecological space, based on improving the living environment and urban functions and promoting the organic integration of the city and nature. This paper takes the design of Qinyang Wetland Park in Jiaozuo, Henan Province, as an example, attempting to closely link the ecological restoration of wetland with the urban culture and to extend the urban spirit of the ancient county of Qinyang while purifying the ecological water system. This design uses ecological technology to repair underwater forests and underwater turf, rapidly improving the quality of urban water without biological side effects. The ecological grass slope is used to create multiple bank forms, combining with a number of hydrophilic platforms to provide a good view of the public. Through the placement of ecological education bases, urban cultural exhibition halls, and other means, the cultural value of wetland parks will be enhanced, and the citizens will return to nature and experience the ecology and appreciate the charm of urban culture in the ecological space. Repair the ecosystem, sculpt the urban culture, let the public return to nature, experience the ecology, and experience the charm of urban culture in the ecological space. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urban%20double%20reform" title="urban double reform">urban double reform</a>, <a href="https://publications.waset.org/abstracts/search?q=ecological%20space" title=" ecological space"> ecological space</a>, <a href="https://publications.waset.org/abstracts/search?q=improvement%20strategy" title=" improvement strategy"> improvement strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=wetland%20park%20design" title=" wetland park design"> wetland park design</a> </p> <a href="https://publications.waset.org/abstracts/140912/research-on-ecological-space-improvement-strategy-from-the-perspective-of-urban-double-reform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140912.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">238</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">795</span> Anonymous Editing Prevention Technique Using Gradient Method for High-Quality Video</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jiwon%20Lee">Jiwon Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Chanho%20Jung"> Chanho Jung</a>, <a href="https://publications.waset.org/abstracts/search?q=Si-Hwan%20Jang"> Si-Hwan Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyung-Ill%20Kim"> Kyung-Ill Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanghyun%20Joo"> Sanghyun Joo</a>, <a href="https://publications.waset.org/abstracts/search?q=Wook-Ho%20Son"> Wook-Ho Son</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Since the advances in digital imaging technologies have led to development of high quality digital devices, there are a lot of illegal copies of copyrighted video content on the internet. Thus, we propose a high-quality (HQ) video watermarking scheme that can prevent these illegal copies from spreading out. The proposed scheme is applied spatial and temporal gradient methods to improve the fidelity and detection performance. Also, the scheme duplicates the watermark signal temporally to alleviate the signal reduction caused by geometric and signal-processing distortions. Experimental results show that the proposed scheme achieves better performance than previously proposed schemes and it has high fidelity. The proposed scheme can be used in broadcast monitoring or traitor tracking applications which need fast detection process to prevent illegally recorded video content from spreading out. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=editing%20prevention%20technique" title="editing prevention technique">editing prevention technique</a>, <a href="https://publications.waset.org/abstracts/search?q=gradient%20method" title=" gradient method"> gradient method</a>, <a href="https://publications.waset.org/abstracts/search?q=luminance%20change" title=" luminance change"> luminance change</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20watermarking" title=" video watermarking"> video watermarking</a> </p> <a href="https://publications.waset.org/abstracts/42072/anonymous-editing-prevention-technique-using-gradient-method-for-high-quality-video" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42072.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">456</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">794</span> Preliminary Study of Human Reliability of Control in Case of Fire Based on the Decision Processes and Stress Model of Human in a Fire</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seung-Un%20Chae">Seung-Un Chae</a>, <a href="https://publications.waset.org/abstracts/search?q=Heung-Yul%20Kim"> Heung-Yul Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sa-Kil%20Kim"> Sa-Kil Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the findings of preliminary study on human control performance in case of fire. The relationship between human control and human decision is studied in decision processes and stress model of human in a fire. Human behavior aspects involved in the decision process during a fire incident. The decision processes appear that six of individual perceptual processes: recognition, validation, definition, evaluation, commitment, and reassessment. Then, human may be stressed in order to get an optimal decision for their activity. This paper explores problems in human control processes and stresses in a catastrophic situation. Thus, the future approach will be concerned to reduce stresses and ambiguous irrelevant information. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20reliability" title="human reliability">human reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20processes" title=" decision processes"> decision processes</a>, <a href="https://publications.waset.org/abstracts/search?q=stress%20model" title=" stress model"> stress model</a>, <a href="https://publications.waset.org/abstracts/search?q=fire" title=" fire"> fire</a> </p> <a href="https://publications.waset.org/abstracts/50470/preliminary-study-of-human-reliability-of-control-in-case-of-fire-based-on-the-decision-processes-and-stress-model-of-human-in-a-fire" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50470.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">986</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">793</span> The Batteryless Wi-Fi Backscatter System and Method for Improving the Transmission Range</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young-Min%20Ko">Young-Min Ko</a>, <a href="https://publications.waset.org/abstracts/search?q=Seung-Jun%20Yu"> Seung-Jun Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Seongjoo%20Lee"> Seongjoo Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyoung-Kyu%20Song"> Hyoung-Kyu Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Internet of things (IoT) system has attracted attention. IoT is a technology to connect all the objects to the internet as well as computer. IoT makes it possible for providing more data interoperability methods for an application purpose. Among the IoT technology, the research of devices so that they can communicate without power supply has been actively conducted. Batteryless system permits us to communicate without power supply devices. In this paper, batteryless backscatter system is used as a tag. And mobile devices which are embedded wireless fidelity (Wi-Fi) chipset are used as a reader. The backscatter tag can be obtained Internet connectivity from the reader. Conventional Wi-Fi backscatter system has limitation in the transmission range. In this paper, the proposed algorithm can be obtained improved reliability as well as overcoming the limitation about transmission range. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ambient%20RF" title="Ambient RF">Ambient RF</a>, <a href="https://publications.waset.org/abstracts/search?q=Backscatter" title=" Backscatter"> Backscatter</a>, <a href="https://publications.waset.org/abstracts/search?q=Batteryless%20communication" title=" Batteryless communication"> Batteryless communication</a>, <a href="https://publications.waset.org/abstracts/search?q=Energy-harvesting" title=" Energy-harvesting"> Energy-harvesting</a>, <a href="https://publications.waset.org/abstracts/search?q=IoT" title=" IoT"> IoT</a>, <a href="https://publications.waset.org/abstracts/search?q=RFID" title=" RFID"> RFID</a>, <a href="https://publications.waset.org/abstracts/search?q=Tag" title=" Tag"> Tag</a>, <a href="https://publications.waset.org/abstracts/search?q=Wi-Fi" title=" Wi-Fi"> Wi-Fi</a> </p> <a href="https://publications.waset.org/abstracts/50230/the-batteryless-wi-fi-backscatter-system-and-method-for-improving-the-transmission-range" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50230.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">389</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">792</span> Thermal Buckling of Functionally Graded Panel Based on Mori-Tanaka Scheme</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seok-In%20Bae">Seok-In Bae</a>, <a href="https://publications.waset.org/abstracts/search?q=Young-Hoon%20Lee"> Young-Hoon Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji-Hwan%20Kim"> Ji-Hwan Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the asymmetry of the material properties of the Functionally Graded Materials(FGMs) in the thickness direction, neutral surface of the model is not the same as the mid-plane of the symmetric structure. In order to investigate the thermal bucking behavior of FGMs, neutral surface is chosen as a reference plane. In the model, material properties are assumed to be temperature dependent, and varied continuously in the thickness direction of the plate. Further, the effective material properties such as Young’s modulus and Poisson’s ratio are homogenized using Mori-Tanaka scheme which considers the interaction among adjacent inclusions. In this work, the finite element methods are used, and the first-order shear deformation theory of plate are accounted. The thermal loads are assumed to be uniform, linear and non-linear distribution through the thickness directions, respectively. Also, the effects of various parameters for thermal buckling behavior of FGM panel are discussed in detail. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=functionally%20graded%20plate" title="functionally graded plate">functionally graded plate</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20buckling%20analysis" title=" thermal buckling analysis"> thermal buckling analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=neutral%20surface" title=" neutral surface"> neutral surface</a> </p> <a href="https://publications.waset.org/abstracts/14823/thermal-buckling-of-functionally-graded-panel-based-on-mori-tanaka-scheme" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14823.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">401</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">791</span> Investigation of Fire Damaged Concrete Using Nonlinear Resonance Vibration Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kang-Gyu%20Park">Kang-Gyu Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Sun-Jong%20Park"> Sun-Jong Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Hong%20Jae%20Yim"> Hong Jae Yim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyo-Gyung%20Kwak"> Hyo-Gyung Kwak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper attempts to evaluate the effect of fire damage on concrete by using nonlinear resonance vibration method, one of the nonlinear nondestructive method. Concrete exhibits not only nonlinear stress-strain relation but also hysteresis and discrete memory effect which are contained in consolidated materials. Hysteretic materials typically show the linear resonance frequency shift. Also, the shift of resonance frequency is changed according to the degree of micro damage. The degree of the shift can be obtained through nonlinear resonance vibration method. Five exposure scenarios were considered in order to make different internal micro damage. Also, the effect of post-fire-curing on fire-damaged concrete was taken into account to conform the change in internal damage. Hysteretic non linearity parameter was obtained by amplitude-dependent resonance frequency shift after specific curing periods. In addition, splitting tensile strength was measured on each sample to characterize the variation of residual strength. Then, a correlation between the hysteretic non linearity parameter and residual strength was proposed from each test result. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20resonance%20vibration%20method" title="nonlinear resonance vibration method">nonlinear resonance vibration method</a>, <a href="https://publications.waset.org/abstracts/search?q=non%20linearity%20parameter" title=" non linearity parameter"> non linearity parameter</a>, <a href="https://publications.waset.org/abstracts/search?q=splitting%20tensile%20strength" title=" splitting tensile strength"> splitting tensile strength</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20damage" title=" micro damage"> micro damage</a>, <a href="https://publications.waset.org/abstracts/search?q=post-fire-curing" title=" post-fire-curing"> post-fire-curing</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20damaged%20concrete" title=" fire damaged concrete"> fire damaged concrete</a> </p> <a href="https://publications.waset.org/abstracts/17425/investigation-of-fire-damaged-concrete-using-nonlinear-resonance-vibration-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17425.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">269</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">790</span> Rethinking Urban Green Space Quality and Planning Models from Users and Experts’ Perspective for Sustainable Development: The Case of Debre Berhan and Debre Markos Cities, Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alemaw%20Kefale">Alemaw Kefale</a>, <a href="https://publications.waset.org/abstracts/search?q=Aramde%20Fetene"> Aramde Fetene</a>, <a href="https://publications.waset.org/abstracts/search?q=Hayal%20Desta"> Hayal Desta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study analyzed the users' and experts' views on the green space quality and planning models in Debre Berhan (DB) and Debre Markos (DM) cities in Ethiopia. A questionnaire survey was conducted on 350 park users (148 from DB and 202 from DM) to rate the accessibility, size, shape, vegetation cover, social and cultural context, conservation and heritage, community participation, attractiveness, comfort, safety, inclusiveness, and maintenance of green spaces using a Likert scale. A key informant interview was held with 13 experts in DB and 12 in DM. Descriptive statistics and tests of independence of variables using the chi-square test were done. A statistically significant association existed between the perception of green space quality attributes and users' occupation (χ² (160, N = 350) = 224.463, p < 0.001), age (χ² (128, N = 350) = 212.812, p < 0.001), gender (χ² (32, N = 350) = 68.443, p < 0.001), and education level (χ² (192, N = 350) = 293.396, p < 0.001). 61.7 % of park users were unsatisfied with the quality of urban green spaces. The users perceived dense vegetation cover as "good," with a mean value of 3.41, while the remaining were perceived as "medium with a mean value of 2.62 – 3.32". Only quantitative space standards are practiced as a green space planning model, while other models are unfamiliar and never used in either city. Therefore, experts need to be aware of and practice urban green models during urban planning to ensure that new developments include green spaces to accommodate the community's and the environment's needs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urban%20green%20space" title="urban green space">urban green space</a>, <a href="https://publications.waset.org/abstracts/search?q=quality" title=" quality"> quality</a>, <a href="https://publications.waset.org/abstracts/search?q=users%20and%20experts" title=" users and experts"> users and experts</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20space%20planning%20models" title=" green space planning models"> green space planning models</a>, <a href="https://publications.waset.org/abstracts/search?q=Ethiopia" title=" Ethiopia"> Ethiopia</a> </p> <a href="https://publications.waset.org/abstracts/181281/rethinking-urban-green-space-quality-and-planning-models-from-users-and-experts-perspective-for-sustainable-development-the-case-of-debre-berhan-and-debre-markos-cities-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/181281.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">58</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">789</span> Phylogenetic Analysis of the Myxosporea Detected from Emaciated Olive Flounder (Paralichthys olivaceus) in Korea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seung%20Min%20Kim">Seung Min Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyu%20Jin%20Jun"> Lyu Jin Jun</a>, <a href="https://publications.waset.org/abstracts/search?q=Joon%20Bum%20Jeong"> Joon Bum Jeong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Myxosporea to cause emaciation disease in the olive flounder (Paralichthys olivaceus) is a pathogen to cause severe losses in the aquafarming industry in Korea. The 3,362 bp of DNA nucleotide sequences of four myxosporean strains (EM-HM-12, EM-MA-13, EM-JJ-14, and EM-MS-15) detected by PCR method from olive flounder suffering from emaciation disease in Korea during 2012-2015 were sequenced and deposited in GenBank database (GenBank accession numbers: KU377574, KT321705, KU377575 and KU377573, respectively). The homologies of DNA nucleotide sequences of four strains were compared to each other and were more than 99.7% homologous between the four strains. All of the strains were identified as Parvicapsula petunia based on the results of phylogenetic analysis. The results in this study would be useful for the research of emaciation disease in olive flounder of Korea. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=disease" title="disease">disease</a>, <a href="https://publications.waset.org/abstracts/search?q=emaciation" title=" emaciation"> emaciation</a>, <a href="https://publications.waset.org/abstracts/search?q=olive%20flounder" title=" olive flounder"> olive flounder</a>, <a href="https://publications.waset.org/abstracts/search?q=phylogenetic%20analysis" title=" phylogenetic analysis"> phylogenetic analysis</a> </p> <a href="https://publications.waset.org/abstracts/97913/phylogenetic-analysis-of-the-myxosporea-detected-from-emaciated-olive-flounder-paralichthys-olivaceus-in-korea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97913.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">299</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">788</span> Direct Design of Steel Bridge Using Nonlinear Inelastic Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boo-Sung%20Koh">Boo-Sung Koh</a>, <a href="https://publications.waset.org/abstracts/search?q=Seung-Eock%20Kim"> Seung-Eock Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a direct design using a nonlinear inelastic analysis is suggested. Also, this paper compares the load carrying capacity obtained by a nonlinear inelastic analysis with experiment results to verify the accuracy of the results. The allowable stress design results of a railroad through a plate girder bridge and the safety factor of the nonlinear inelastic analysis were compared to examine the safety performance. As a result, the load safety factor for the nonlinear inelastic analysis was twice as high as the required safety factor under the allowable stress design standard specified in the civil engineering structure design standards for urban magnetic levitation railways, which further verified the advantages of the proposed direct design method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=direct%20design" title="direct design">direct design</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20inelastic%20analysis" title=" nonlinear inelastic analysis"> nonlinear inelastic analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=residual%20stress" title=" residual stress"> residual stress</a>, <a href="https://publications.waset.org/abstracts/search?q=initial%20geometric%20imperfection" title=" initial geometric imperfection"> initial geometric imperfection</a> </p> <a href="https://publications.waset.org/abstracts/24354/direct-design-of-steel-bridge-using-nonlinear-inelastic-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24354.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">531</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Seung%20Hwan%20Park&page=8" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Seung%20Hwan%20Park&page=1">1</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Seung%20Hwan%20Park&page=2">2</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" 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