| 先张法预应力玄武岩纤维增强塑料筋混凝土梁受弯性能试验研究 |
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| 引用本文： | 飞渭;李炳宏;江世永;胡显奇;石钱华;王兰民.先张法预应力玄武岩纤维增强塑料筋混凝土梁受弯性能试验研究[J].中国塑料,2011,25(3):65-69. |
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| 作者姓名： | 飞渭;李炳宏;江世永;胡显奇;石钱华;王兰民 |
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| 作者单位： | 后勤工程学院 |
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| 基金项目： | 重庆市科技攻关项目(CSTC,2007AC7049) |
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| 摘 要： | 采用先张法工艺设计制作了1根全预应力玄武岩纤维增强塑料筋(BFRP筋)混凝十梁,2根部分预应力BFRP筋混凝土梁和1根普通BFRP筋混凝土梁，对其进行三分点加载试验，主要测试了构件的开裂荷载、裂缝和挠度发展情况、屈服荷载和极限荷载等性能。结果表明，对BFRP筋施加预应力，可以提高梁的杭裂度，有效减小梁的挠度和裂缝宽度;非预应力钢筋的配筋率越大，梁的极限抗弯承载力越大，在BFRP筋配筋率相同的情况下，全预应力梁和非预应力梁的极限抗弯承载力相当;在预应力梁中采用非预应力钢筋，可以减小裂缝宽度间距，并且提高梁的延性;全预应力梁和非预应力梁在纯弯段上的裂缝数量和裂缝分布基本相同，部分预应力梁的裂缝数量明显多于全预应力梁和非预应力梁。
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| 关 键 词： | BFRP筋 先张法 预应力混凝土梁 受弯性能 试验研究 |
| 收稿时间： | 2010-11-8 |
Experimental Study on Flexural Behavior of Pre-stressed Concrete Beams Reinforced with BFRP Tendons |
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| FEI Wei,LI Binghong,JIANG Shiyong,HU Xianqi,SHI Qianhua,WANG Lanmin.Experimental Study on Flexural Behavior of Pre-stressed Concrete Beams Reinforced with BFRP Tendons[J].China Plastics,2011,25(3):65-69. |
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| Authors: | FEI Wei LI Binghong JIANG Shiyong HU Xianqi SHI Qianhua WANG Lanmin |
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| Affiliation: | FEI Wei1,LI Binghong1,JIANG Shiyong1,HU Xianqi2,SHI Qianhua2,WANG Lanmin3(1.Department of Military Architecture Engineering,Logistical Engineering University,Chongqing 401311,China,2.Zhejiang GBF Basalt Fiber Co,Ltd,Hengdian 322118,3.Seismological Bureau of Gansu Province,Lanzhou 730000,China) |
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| Abstract: | To investigate the flexural behavior of BFRP tendon reinforced concrete beams,one full pre-stressed concrete beam and two partially pre-stressed BFRP tendon reinforced concrete beams,and one BFRP bar reinforced concrete beam were tested.The cracking,yield,failure load,and the development of the deflection and the cracks were tested.It showed that the cracking resistance capacity of the beams was enhanced through using BFRP tendons,and the width of deflection and cracks were better controlled.The failure loa... |
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| Keywords: | basalt fiber reinforced plastics pre-tension method pre-stressed concrete beam flexural behavior |
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