Using Scanning Electron Microscope and Computed Tomography for Concrete Diagnostics of Airfield Pavements

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Microscope and Computed Tomography for Concrete Diagnostics of Airfield Pavements</title> <meta name="description" content="Using Scanning Electron Microscope and Computed Tomography for Concrete Diagnostics of Airfield Pavements"> <meta name="keywords" content="scanning electron microscope, computed tomography, cement concrete, airfield pavements"> <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" 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</div> <div class="card publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Using Scanning Electron Microscope and Computed Tomography for Concrete Diagnostics of Airfield Pavements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Linek">M. Linek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents the comparison of selected evaluation methods regarding microstructure modification of hardened cement concrete intended for airfield pavements. Basic test results were presented for two pavement quality concrete lots. Analysis included standard concrete used for airfield pavements and modern material solutions based on concrete composite modification. In case of basic grain size distribution of concrete cement CEM I 42,5HSR NA, fine aggregate and coarse aggregate fractions in the form of granite chippings, water and admixtures were considered. In case of grain size distribution of modified concrete, the use of modern modifier as substitute of fine aggregate was suggested. Modification influence on internal concrete structure parameters using scanning electron microscope was defined. Obtained images were compared to the results obtained using computed tomography. Opportunity to use this type of equipment for internal concrete structure diagnostics and an attempt of its parameters evaluation was presented. Obtained test results enabled to reach a conclusion that both methods can be applied for pavement quality concrete diagnostics, with particular purpose of airfield pavements. <iframe src="https://publications.waset.org/abstracts/53038.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=scanning%20electron%20microscope" title="scanning electron microscope">scanning electron microscope</a>, <a href="https://publications.waset.org/abstracts/search?q=computed%20tomography" title=" computed tomography"> computed tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=cement%20concrete" title=" cement concrete"> cement concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=airfield%20pavements" title=" airfield pavements"> airfield pavements</a> </p> <a 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Using Scanning Electron Microscope and Computed Tomography for Concrete Diagnostics of Airfield Pavements