采用GFRP筋作为约束构件的体内不配筋混凝土板带的工作性能研究

复合材料科学与工程 ›› 2014, Vol. 0 ›› Issue (12): 41-46.

采用GFRP筋作为约束构件的体内不配筋混凝土板带的工作性能研究

杨健彬¹, 郑愚^1*, 魏木旺²

1.东莞理工学院建筑工程系,广东东莞 523808;
2.哈尔滨工业大学深圳研究生院,广东深圳 518055

出版日期:2014-12-28 发布日期:2021-09-13
通讯作者: 郑愚(1978-),男,副教授,博士,主要从事结构耐久性、结构数值模拟以及复合材料方面的研究,zhengy@dgut.edu.cn。
作者简介:杨健彬(1988-),男,实验员,主要从事结构分析与复合材料应用研究。
基金资助:
广东省高等学校优秀青年教师培养计划资助项目研究计划(Yq2013155);广东省交通厅科技计划(2011-02-040)

INVESTIGATION OF BEHAVIOUR OF CONCRETE SLAB STRIP RESTARINED BY GFRP WITHOUT INTERNAL REINFORCEMENT

YANG Jian-bin¹, ZHENG Yu^1*, WEI Mu-wang ²

1. Department of Civil Engineering,Dongguan University of Technology,Dongguan 523808,China;
2. Shenzhen Graduate School,Harbin Institute of Technology, Shenzhen 518055,China

Online:2014-12-28 Published:2021-09-13

摘要/Abstract

摘要： 本文建立一种基于压缩薄膜效应(Compressive Membrane Action,CMA)的采用GFRP筋作为体外约束构件的预制混凝土桥面板,并对其在静力荷载作用下的工作性能进行试验研究。通过将试验与传统桥梁面板结构进行对比发现,本文采用GFRP的新型预制桥面板与传统桥梁面板结构相比,极限承载力提高了57%左右;采用GFRP材料作为体外约束构件,合理使用面板内压缩薄膜效应作为承载机制,充分利用GFRP材料良好的抗拉性能和耐久性提高了结构的可持续性。

关键词: 预制桥面板, GFRP筋, 压缩薄膜效应, 结构试验

Abstract: A arch-shaped concrete slabs strip without internal reinforcement was proposed in this study based on compressive membrane action (CMA). In this novel structure, glass fiber reinforced polymer (GFRP) rods were used as restraint components to develop this membrane action. Therefore, the loading capacity of concrete deck slabs can be enhanced significantly. The behaviour of those concrete strips were studied experimentally. Through the parametric study, it was concluded that the loading mechanism of this slab structure was dependent on internal compressive membrane action and the loading-carrying capacity could be affected significantly by the lateral restraint stiffness. With the application of GFRP material and CMA, the structural durability is improved and the loading-carrying capacity is not affected in this deck structure.

Key words: arch-shaped concrete slabs strip, GFRP bar, compressive membrane action(CMA), experimental test

中图分类号:

TB332

杨健彬, 郑愚, 魏木旺. 采用GFRP筋作为约束构件的体内不配筋混凝土板带的工作性能研究[J]. 复合材料科学与工程, 2014, 0(12): 41-46.

YANG Jian-bin, ZHENG Yu, WEI Mu-wang. INVESTIGATION OF BEHAVIOUR OF CONCRETE SLAB STRIP RESTARINED BY GFRP WITHOUT INTERNAL REINFORCEMENT[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(12): 41-46.

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