Search results for: E. H. N. Gashti

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Gashti</title> <meta name="description" content="Search results for: E. H. N. Gashti"> <meta name="keywords" content="E. H. N. Gashti"> <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 ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="E. 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H. N. Gashti"> <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> 5</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: E. H. N. Gashti</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> Evaluation of Traditional Methods in Construction and Their Effects on Reinforced-Concrete Buildings Behavior</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20H.%20N.%20Gashti">E. H. N. Gashti</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Zarrini"> M. Zarrini</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Irannezhad"> M. Irannezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20R.%20Langroudi"> J. R. Langroudi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Using ETABS software, this study analyzed 23 buildings to evaluate effects of mistakes during construction phase on buildings structural behavior. For modelling, two different loadings were assumed: 1) design loading and 2) loading due to the effects of mistakes in construction phase. Research results determined that considering traditional construction methods for buildings resulted in a significant increase in dead loads and consequently intensified the displacements and base-shears of buildings under seismic loads. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reinforced-concrete%20buildings" title="reinforced-concrete buildings">reinforced-concrete buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20mistakes" title=" construction mistakes"> construction mistakes</a>, <a href="https://publications.waset.org/abstracts/search?q=base-shear" title=" base-shear"> base-shear</a>, <a href="https://publications.waset.org/abstracts/search?q=displacements" title=" displacements"> displacements</a>, <a href="https://publications.waset.org/abstracts/search?q=failure" title=" failure"> failure</a> </p> <a href="https://publications.waset.org/abstracts/15970/evaluation-of-traditional-methods-in-construction-and-their-effects-on-reinforced-concrete-buildings-behavior" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15970.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">4</span> Structural Behavior of Incomplete Box Girder Bridges Subjected to Unpredicted Loads</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20H.%20N.%20Gashti">E. H. N. Gashti</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Razzaghi"> J. Razzaghi</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Kujala"> K. Kujala </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In general, codes and regulations consider seismic loads only for completed structures of the bridges while, evaluation of incomplete structure of bridges, especially those constructed by free cantilever method, under these loads is also of great importance. Hence, this research tried to study the behavior of incomplete structure of common bridge type (box girder bridge), in construction phase under vertical seismic loads. Subsequently, the paper provided suitable guidelines and solutions to withstand this destructive phenomena. Research results proved that use of preventive methods can significantly reduce the stresses resulted from vertical seismic loads in box cross sections to an acceptable range recommended by design codes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=box%20girder%20bridges" title="box girder bridges">box girder bridges</a>, <a href="https://publications.waset.org/abstracts/search?q=prestress%20loads" title=" prestress loads"> prestress loads</a>, <a href="https://publications.waset.org/abstracts/search?q=free%20cantilever%20method" title=" free cantilever method"> free cantilever method</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20loads" title=" seismic loads"> seismic loads</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20phase" title=" construction phase"> construction phase</a> </p> <a href="https://publications.waset.org/abstracts/16487/structural-behavior-of-incomplete-box-girder-bridges-subjected-to-unpredicted-loads" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16487.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">344</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">3</span> Structural Behaviour of Concrete Energy Piles in Thermal Loadings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20H.%20N.%20Gashti">E. H. N. Gashti</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Malaska"> M. Malaska</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Kujala"> K. Kujala</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The thermo-mechanical behaviour of concrete energy pile foundations with different single and double U-tube shapes incorporated was analysed using the Comsol Multi-physics package. For the analysis, a 3D numerical model in real scale of the concrete pile and surrounding soil was simulated regarding actual operation of ground heat exchangers (GHE) and the surrounding ambient temperature. Based on initial ground temperature profile measured in situ, tube inlet temperature was considered to range from 6掳C to 0掳C (during the contraction process) over a 30-day period. Extra thermal stresses and deformations were calculated during the simulations and differences arising from the use of two different systems (single-tube and double-tube) were analysed. The results revealed no significant difference for extra thermal stresses at the centre of the pile in either system. However, displacements over the pile length were found to be up to 1.5-fold higher in the double-tube system than the single-tube system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete%20energy%20piles" title="concrete energy piles">concrete energy piles</a>, <a href="https://publications.waset.org/abstracts/search?q=stresses" title=" stresses"> stresses</a>, <a href="https://publications.waset.org/abstracts/search?q=displacements" title=" displacements"> displacements</a>, <a href="https://publications.waset.org/abstracts/search?q=thermo-mechanical%20behaviour" title=" thermo-mechanical behaviour"> thermo-mechanical behaviour</a>, <a href="https://publications.waset.org/abstracts/search?q=soil-structure%20interactions" title=" soil-structure interactions"> soil-structure interactions</a> </p> <a href="https://publications.waset.org/abstracts/10541/structural-behaviour-of-concrete-energy-piles-in-thermal-loadings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10541.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">214</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">2</span> Flood Control Structures in the River G枚ta 脛lv to Protect Gothenburg City (Sweden) during the 21st Century: Preliminary Evaluation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Irannezhad">M. Irannezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20H.%20N.%20Gashti"> E. H. N. Gashti</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20Moback"> U. Moback</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Kl%C3%B8ve"> B. Kl酶ve</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Climate change because of increases in concentration level of greenhouse gases emissions to the atmosphere will result in mean sea level rise about +1 m by 2100. To prevent coastal floods resulted from the sea level rising, different flood control structures have been built, e.g. the Thames barrier on the Thames River in London (UK), with acceptable protection levels at least so far. Gothenburg located on the southwest coast of Sweden, with the River G枚ta 盲lv running through it, is one of vulnerable cities to the accelerated rises in mean sea level. Developing a water level model by MATLAB, we evaluated using a sea barrage in the G枚ta 盲lv River as the flood control structure for protecting the Gothenburg city during this century. Considering three operational scenarios for two barriers in upstream and downstream, the highest sea level was estimated to + 2.95 m above the current mean sea level by 2100. To verify flood protection against such high sea levels, both barriers have to be closed. To prevent high water level in the River G枚ta 盲lv reservoir, the barriers would be open when the sea level is low. The suggested flood control structures would successfully protect the city from flooding events during this century. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title="climate change">climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20control%20structures" title=" flood control structures"> flood control structures</a>, <a href="https://publications.waset.org/abstracts/search?q=gothenburg" title=" gothenburg"> gothenburg</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20level%20rising" title=" sea level rising"> sea level rising</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20level%20mode" title=" water level mode"> water level mode</a> </p> <a href="https://publications.waset.org/abstracts/16312/flood-control-structures-in-the-river-gota-alv-to-protect-gothenburg-city-sweden-during-the-21st-century-preliminary-evaluation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16312.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">355</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">1</span> Interannual Variations in Snowfall and Continuous Snow Cover Duration in Pelso, Central Finland, Linked to Teleconnection Patterns, 1944-2010</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Irannezhad">M. Irannezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20H.%20N.%20Gashti"> E. H. N. Gashti</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Mohammadighavam"> S. Mohammadighavam</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Zarrini"> M. Zarrini</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Kl%C3%B8ve"> B. Kl酶ve</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Climate warming would increase rainfall by shifting precipitation falling form from snow to rain, and would accelerate snow cover disappearing by increasing snowpack. Using temperature and precipitation data in the temperature-index snowmelt model, we evaluated variability of snowfall and continuous snow cover duration(CSCD) during 1944-2010 over Pelso, central Finland. MannKendall non-parametric test determined that annual precipitation increased by 2.69 (mm/year, p<0.05) during the study period, but no clear trend in annual temperature. Both annual rainfall and snowfall increased by 1.67 and 0.78 (mm/year, p<0.05), respectively. CSCD was generally about 205 days from 14 October to 6 May. No clear trend was found in CSCD over Pelso. Spearman鈥檚 rank correlation showed most significant relationships of annual snowfall with the East Atlantic (EA) pattern, and CSCD with the East Atlantic/West Russia (EA/WR) pattern. Increased precipitation with no warming temperature caused the rainfall and snowfall to increase, while no effects on CSCD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=variations" title="variations">variations</a>, <a href="https://publications.waset.org/abstracts/search?q=snowfall" title=" snowfall"> snowfall</a>, <a href="https://publications.waset.org/abstracts/search?q=snow%20cover%20duration" title=" snow cover duration"> snow cover duration</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature-index%20snowmelt%20model" title=" temperature-index snowmelt model"> temperature-index snowmelt model</a>, <a href="https://publications.waset.org/abstracts/search?q=teleconnection%20patterns" title=" teleconnection patterns"> teleconnection patterns</a> </p> <a href="https://publications.waset.org/abstracts/16705/interannual-variations-in-snowfall-and-continuous-snow-cover-duration-in-pelso-central-finland-linked-to-teleconnection-patterns-1944-2010" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16705.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">223</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th 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Search results for: E. H. N. Gashti