单排配筋带洞口剪力墙抗震试验及承载力计算
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摘要
为研究单排配筋带洞口剪力墙的抗震性能及其构造措施,通过比较不同构造措施及不同形式的带洞口剪力墙的破坏机制,进行了2个单排配筋带洞口剪力墙模型的抗震性能试验研究.系统分析了不同构造措施带洞口剪力墙试件的承载力、延性、刚度、耗能、破坏特征等.建立了带洞口剪力墙的承载力模型,计算结果与试验结果符合较好.试验及分析表明,单排配筋带洞口剪力墙能满足抗震要求.
In order to analyze the seismic performance of RC shear wall with opening and single row of steel bars,and compare the failure feature of different construction measures,low-cyclic reversed loading tests on seismic performance for 2 models of RC shear wall with opening were carried out.The structure's stiffness and its deterioration process bearing capacity,ductility,energy dissipation and failure feature were analyzed systematically.A simplified mechanical model was established,and the results are in good agreement with the test results.Test and analysis shows that the RC shear wall opening and single row of steel bars meet the seismic design requirements.
In order to analyze the seismic performance of RC shear wall with opening and single row of steel bars,and compare the failure feature of different construction measures,low-cyclic reversed loading tests on seismic performance for 2 models of RC shear wall with opening were carried out.The structure's stiffness and its deterioration process bearing capacity,ductility,energy dissipation and failure feature were analyzed systematically.A simplified mechanical model was established,and the results are in good agreement with the test results.Test and analysis shows that the RC shear wall opening and single row of steel bars meet the seismic design requirements.
引文
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[4]朱伯龙.结构抗震试验[M].北京:北京地震出版社,1989.
[5]曹云锋,张彬彬,赵杰林,等.改善洞口连梁抗震性能的一种有效配筋方案[J].重庆建筑大学学报,2003,25(5):24-30.CAO Yun-feng,ZHANG Bin-bin,ZHAO Jie-lin,et al.An efficacious reinforcing pattern of coupling beams for improving itsearthquake resistance[J].Journal of Chongqing Architecture University,2003,25(5):24-30.(in Chinese)
[6]章红梅,吕西林,鲁亮,等.边缘约束构件对钢筋混凝土剪力墙抗震性能的影响[J].地震工程与工程振动,2007,27(1):92-98.ZHANG Hong-mei,LXi-lin,LU Liang,et al.Influence of boundary element on seismic behavior of reinforced concreteshear walls[J].Journal of Earthquake Engineering and Engineering Vibration,2007,27(1):92-98.(in Chinese)
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