Scanning Electron Microscopic Evaluation of Self-Compacting Concrete Spalling at Elevated Temperatures
Journal Title: American Journal of Engineering and Applied Sciences - Year 2016, Vol 9, Issue 1
Abstract
Scanning Electron Microscopic Evaluation of Self-Compacting Concrete Spalling at Elevated Temperatures Mahmoud B. Alhasanat, Arabi N. Al Qadi, Omar A. Al Khashman and Ahmad Dahamsheh DOI : 10.3844/ajeassp.2016.119.127 American Journal of Engineering and Applied Sciences Volume 9, Issue 1 Pages 119-127 Abstract This paper reports the effect of addition of Polypropylene (PP) fibers in the performance of Self-Compacting Concrete (SCC) under elevated temperatures. Various SCC mixtures were made with PP fiber at 0.0, 0.05, 0.10 and 0.15% by volume added. The specimens were exposed to elevated temperatures (200°C [392°F], 400°C [752°F] and 600°C [1112°F]). The microstructure of the matrix was investigated. This study concluded that the high temperatures have a coarsening effect on the microstructure of SCC with the addition of PP fibers. It was reported that PP fibers reduced explosive spalling of SCC above 0.05% by volume and increased the number of voids in the microstructure significantly. Copyright © 2016 Mahmoud B. Alhasanat, Arabi N. Al Qadi, Omar A. Al Khashman and Ahmad Dahamsheh. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. http://thescipub.com/abstract/10.3844/ajeassp.2016.119.127
Authors and Affiliations
Mahmoud B. A. Alhasanat, Arabi N. S. Al Qadi, Omar A. Al Khashman, Ahmad AL Dahamsheh
Keywords
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- EP ID EP204050
- DOI 10.3844/ajeassp.2016.119.127
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