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Abd-Elmohsen, M. (2017). FLEXURAL BEHAVIOR OF SELF-COMPACTING CONCRETE PRISMS REINFORCED WITH GEOGRIDS. JES. Journal of Engineering Sciences, 45(No 4), 422-435. doi: 10.21608/jesaun.2017.116281
Mostafa Abd-Elmohsen. "FLEXURAL BEHAVIOR OF SELF-COMPACTING CONCRETE PRISMS REINFORCED WITH GEOGRIDS". JES. Journal of Engineering Sciences, 45, No 4, 2017, 422-435. doi: 10.21608/jesaun.2017.116281
Abd-Elmohsen, M. (2017). 'FLEXURAL BEHAVIOR OF SELF-COMPACTING CONCRETE PRISMS REINFORCED WITH GEOGRIDS', JES. Journal of Engineering Sciences, 45(No 4), pp. 422-435. doi: 10.21608/jesaun.2017.116281
Abd-Elmohsen, M. FLEXURAL BEHAVIOR OF SELF-COMPACTING CONCRETE PRISMS REINFORCED WITH GEOGRIDS. JES. Journal of Engineering Sciences, 2017; 45(No 4): 422-435. doi: 10.21608/jesaun.2017.116281

FLEXURAL BEHAVIOR OF SELF-COMPACTING CONCRETE PRISMS REINFORCED WITH GEOGRIDS

Article 2, Volume 45, No 4, July and August 2017, Page 422-435  XML PDF (736.43 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2017.116281
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Author
Mostafa Abd-Elmohsen
Construction Research Institute, NWRC, Delta-Barrage 13621, Egypt.
Abstract
The aim of this study is to investigate experimentally the flexural behavior of self-compacting concrete prisms reinforced with geogrids. Furthermore, assessing the feasibility of utilizing geogrids in members that are exposed to low levels of tensile stresses needs to be carried out. Therefore, three different geogrid types were utilized in reinforcing concrete prisms. For each geogrid type, one, two and three layers were employed. Experimental results confirm the benefits of utilizing geogrids as tensile reinforcement evident from its flexural behavior. This behavior was described in terms of load-deflection, flexure strength, post peak response and absorbed energy. It was found that employing geogrids as reinforcement significantly improves the post peak behavior and changes the mode of failure from brittle to ductile one. However, a debonding failure was monitored for all geogrid prisms due to the smooth surface of geogrids. This result elaborates the urgent need to enhance the bond between geogrids and concrete, which is certainly supposed to improve the overall flexural behavior of prisms as have been verified in this study.
Keywords
Self-compacting concrete; Flexural behavior; Load-deflection; Absorbed energy; Geogrids; Reinforcement; Geosynthetics
Main Subjects
Civil Engineering: structural, Geotechnical, reinforced concrete and steel structures, Surveying, Road and traffic engineering, water resources, Irrigation structures, Environmental and sanitary engineering, Hydraulic, Railway, construction Management.
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