| 板柱整体结构BFRP加固受力性能研究 |
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| 引用本文： | 秦士洪,田楚兴,黄宗明,王立. 板柱整体结构BFRP加固受力性能研究[J]. 工程力学, 2009, 0(6) |
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| 作者姓名： | 秦士洪 田楚兴 黄宗明 王立 |
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| 作者单位： | 重庆大学土木工程学院;中煤国际工程集团重庆设计研究院;浙江省建筑科学设计研究院有限公司; |
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| 基金项目： | 国家十五家科技攻关项目子课题项目(2002BA806B-4) |
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| 摘 要： | 为了解玄武岩纤维复合材料(BFRP)在整体结构中的加固效果和作用,对一个已经丧失承载能力的一板八柱整体板柱结构模型中的协调受扭边梁和偏压薄壁柱进行了加固,通过对加固后的整体结构试件进行十六点竖向静力加载试验,研究分析了被加固构件的受力性能。结果表明:BFRP较好地发挥了作用,边梁的旧扭转裂缝受到显著的约束,新扭转裂缝出现时间大大延迟,构件的刚度不仅得到了恢复且还有明显的提高;由于BFRP与构件的共同工作情况良好,未发生剥离现象,分担了钢筋的受力,故加固构件还具有较大的承载潜力。
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| 关 键 词： | 结构加固 受力性能 静力试验 玄武岩纤维复合材料 受扭边梁 偏压薄壁柱 |
RESEARCH ON MECHANICAL BEHAVIORS OF SLAB-COLUMN INTEGRAL STRUCTURE STRENGTHENED WITH BFRP |
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| QIN Shi-hong,TIAN Chu-xing,HUANG Zong-ming,WANG Li. RESEARCH ON MECHANICAL BEHAVIORS OF SLAB-COLUMN INTEGRAL STRUCTURE STRENGTHENED WITH BFRP[J]. Engineering Mechanics, 2009, 0(6) |
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| Authors: | QIN Shi-hong TIAN Chu-xing HUANG Zong-ming WANG Li |
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| Affiliation: | *QIN Shi-hong1,TIAN Chu-xing1,2,HUANG Zong-ming1,WANG Li3 (1. College of Civil Engineering,Chongqing University,Chongqing 400045,China,2. Sino-coal International Engineering Group,Chongqing Design & Research Institute,Chongqing 400016,3. Zhejiang Academy of Building Research & Design Co. Ltd,Hangzhou 310012,China) |
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| Abstract: | To research the effect and action of the basalt continuous fiber reinforced polymer (BFRP) strengthening in the integral structure, the compatibility torsional spandrel beams and eccentricity compression thin-walled columns of the unbonded prestressed slab-column structure model with 1 slab and 8 column which has destroyed are strengthened with BFRP, through the 16-point vertical static load test of the strengthened monolithic structure specimen, the bearing performance of the strengthened members is studie... |
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| Keywords: | strengthening structure mechanical behaviors static tests basalt continuous fiber reinforced polymer torsional spandrel beam eccentricity compression thin-walled column |
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