BFRP筋再生混凝土梁挠度试验研究

玻璃钢/复合材料 ›› 2016, Vol. 0 ›› Issue (7): 26-31.

BFRP筋再生混凝土梁挠度试验研究

吴庆锋, 刘华新^*

辽宁工业大学土木建筑工程学院,锦州121000

收稿日期:2016-02-01 出版日期:2016-07-28 发布日期:2016-07-28
通讯作者: 刘华新(1966-),男,教授,博士,主要从事新型土木工程材料理论研究与应用方面的研究,lgliuhuaxin@163.com。
作者简介:吴庆锋(1990-),男,硕士研究生,主要从事新型土木工程材料理论研究与应用方面的研究。
基金资助:
辽宁省自然科学基金(20150202008)

THE DEFLECTION TEST STUDY OF THE REINFORCED RECYCLED CONCRETE BEAMS WITH BFRP BARS

WU Qing-feng, LIU Hua-xin^*

Civil Engineering & Architecture College, Liaoning University of Technology, Jinzhou 121001, China

Received:2016-02-01 Online:2016-07-28 Published:2016-07-28

摘要/Abstract

摘要： 通过4根BFRP筋再生混凝土梁和4根钢筋再生混凝土梁,对比分析在加载过程中的挠度变化情况。试验结果表明,在相同荷载作用下,BFRP筋再生混凝土梁的挠度比钢筋再生混凝土梁的挠度大;但BFRP筋再生混凝土梁的延性比钢筋再生混凝土梁的延性差。随着截面高度和配箍率的增大,试验梁的挠度均减小。参照不同的混凝土结构设计规范进行挠度计算,计算结果表明,在试验梁处于正常使用阶段时,计算值与试验值吻合良好。

关键词: 玄武岩纤维筋, 再生混凝土, 挠度, 延性

Abstract: The variation deflection of the reinforced recycled concrete beams with BFRP bars and the reinforced recycled concrete beams with steel bars are compared and analyzed, by making and crushing 4 reinforced recycled concrete beams with BFRP bars and 4 reinforced recycled concrete beams with steel bars. The experiment results indicate that the deflection of the reinforced recycled concrete beams with BFRP bars is larger than that of the reinforced recycled concrete beams with steel bars, and its ductility is worse than the ductility of the reinforced recycled concrete beams with steel bars. With the increase of the section height and the stirrup reinforcement ratio, the deflections of the members are decreasing. The deflection calculation values of the code for design of concrete structures are consistent with the experimental results of the beams in the normal use phase.

Key words: BFRP bars, recycled concrete, deflection, ductility

中图分类号:

TB332

吴庆锋, 刘华新. BFRP筋再生混凝土梁挠度试验研究[J]. 玻璃钢/复合材料, 2016, 0(7): 26-31.

WU Qing-feng, LIU Hua-xin. THE DEFLECTION TEST STUDY OF THE REINFORCED RECYCLED CONCRETE BEAMS WITH BFRP BARS[J]. Fiber Reinforced Plastics/Composites, 2016, 0(7): 26-31.

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