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层内混杂FRP加固混凝土剪力墙抗震性能试验

Keywords: 混杂纤维布(HFRP),剪力墙加固,剪跨比,低周反复加载,抗震性能

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Abstract:

为了将延性好的混杂纤维布(HFRP)用于结构抗震加固,试验研究了4个HFRP加固钢筋混凝土剪力墙的抗震性能,分析了HFRP加固剪力墙的破坏特征、滞回曲线、延性、骨架曲线以及耗能能力,探讨了剪跨比对HFRP加固效果的影响.试验表明:粘贴HFRP能使混凝土剪力墙刚度退化变缓,HFRP对减缓低矮剪力墙刚度退化的作用要优于中高剪力墙;HFRP能显著提高剪力墙的延性,对改善中高剪力墙延性的作用更加明显;HFRP加固剪力墙试件的延性、耗能性能良好,滞回曲线丰满,捏拢程度变轻。

References

[1]  ANTONIADES K K,SALONIKIOS T N,KAPPOS A J.Tests on seismically damaged reinforced concrete wallsrepaired and strengthened using fiber-reinforced polymers[J].Journal of Composites for Construction,2005,9(3):236-246.
[2]  杨曌,朱刚,黄仁静.碳纤维布加固砖墙抗震受剪承载力分析[J].武汉理工大学学报,2007,29(3):96-98.YANG Zhao,ZHU Gang,HUANG Ren-jing.Analysis onseismic shear capacity of brick wall strengthened by CFRP[J].Journal of Wuhan University of Technology,2007,29(3):96-98.(in Chinese)
[3]  张宇,金峤,周晶.基于性能的既有砌体结构隔震加固研究[J].工程抗震与加固改造,2010(6):20-23.ZHANG Yu,JIN Qiao,ZHOU Jing.Research onperformance-based isolated technique for existing masonrystructures[J].Earthquake Resistant Engineering andRetrofitting,2010(6):20-23.(in Chinese)
[4]  廖子建,张鹏程,林树枝.砌体防倒塌钢桁架加固方法研究[J].工程抗震与加固改造,2011(2):24-28.LIAO Zi-jian,ZHANG Peng-cheng,LIN Shu-zhi.Studyon the strengthen method of masonry structure by steel trussfor collapse prevention[J].Earthquake ResistantEngineering and Retrofitting,2011(2):24-28.(inChinese)
[5]  章红梅,吕西林.粘钢加固钢筋混凝土剪力墙抗震性能试验研究[J].结构工程师,2007,23(1):72-76.ZHANG Hong-mei,LXi-lin.Experiment study onseismic behavior of reinforced concrete walls strengthenedby bonded steel[J].Structural Engineers,2007,23(1):72-76.(in Chinese)
[6]  曾洪超.FRP加固混凝土竖向构件的抗震性能研究[D].北京:北京工业大学建筑工程学院,2010.ZENG Hong-chao.Study onseismic performance of RCvertical components strengthened with FRP[D].Beijing:College of Civil Engineering and Architecture,BeijingUniversity of Technology,2010.(in Chinese)
[7]  过镇海,时旭东.钢筋混凝土原理和分析[M].北京:清华大学出版社,2003:336-337.
[8]  曹万林,吴定燕,杨兴民,等.双向单排配筋混凝土低矮剪力墙抗震性能试验研究[J].世界地震工程,2008,24(4):19-24.CAO Wan-lin,WU Ding-yan,YANG Xing-min,et al.Experimental study on seismic performance of low-rise RCshear walls with bi-directional single row of steel bars[J].World Earthquake Engineering,2008,24(4):19-24.(in Chinese)

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