Experimental study on flexural performance of RC beams strengthened with prestressed polyethylene FRP sheets - 文章详情页

作者：

Li, Jian-Hui (Li, Jian-Hui.) | Deng, Zong-Cai (Deng, Zong-Cai.) (学者：邓宗才) | Du, Xiu-Li (Du, Xiu-Li.) (学者：杜修力)

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摘要：

Polyethylene　fiber　reinforced　plastic　(PEFRP)　is　a　new　composite　material　with　good　ductility.　Based　on　an　experimental　study,　the　flexural　performance　of　the　beams　strengthened　with　prestressed　PEFRP　sheets　are　compared　with　that　of　the　beams　strengthened　with　aramid　FRP　(AFRP)　sheets　and　non-pre-stressed　PEFRP　sheets.　Results　show　that　the　ductile　index　of　the　beam　strengthened　with　prestressed　PEFRP　sheets　is　respectively　about　4%　and　142%　larger　than　that　of　the　beam　non-strengthened　and　the　beam　strengthened　with　prestressed　AFRP　sheets,　which　indicates　that　the　RC　beam　strengthened　with　PEFRP　sheets　possesses　good　ductility.

关键词：

Beams and girders Bearing capacity Deflection (structures) Ductility Fiber reinforced plastics Mechanical properties Polyethylenes Reinforced concrete

作者机构：

[ 1 ] [Li, Jian-Hui]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Deng, Zong-Cai]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Du, Xiu-Li]College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100022, China

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