基于抗剪承载能力设计的多层钢板剪力墙抗震性能试验研究

发布时间：2018-04-06 23:14

本文选题：薄钢板剪力墙　切入点：抗震性能　出处：《工程力学》2015年04期

【摘要】：通过基于剪力墙板"屈服前屈曲"抗剪承载力设计准则设计的钢框架-薄钢板剪力墙原型结构,按1/4缩尺设计的三层试件进行水平低周反复荷载试验,得到了多层薄钢板剪力墙结构在水平荷载作用下的抗侧刚度、结构耗能、水平剪力和倾覆力矩在钢框架与剪力墙板之间的百分比分配、剪力墙板平面外位移及主拉应力的倾角,结果表明:结构的水平抗侧刚度随着荷载加载等级的增加而逐渐减小,但减小的幅度却越来越小;试件的耗能能力很强,结构在最后一级加载循环时消耗了6.7倍的屈服能;各层的耗能量随着加载位移的增加而逐渐变大,二层的耗能量最大,顶层次之,底层最小;在结构处于第1级加载的弹性状态时,剪力墙板承担的水平荷载比例约为60%~65%,钢框架承担的倾覆力矩比例约为80%;剪力墙板的主拉应力倾角变化范围为30°~51°。
[Abstract]:The steel frame-thin steel plate shear wall prototype structure is designed based on the shear strength design criterion of "yield forward buckling" of shear wall plate, and the horizontal low cycle repeated load test is carried out on a three-story specimen designed with 1 / 4 scale.The lateral stiffness, energy dissipation, percentage distribution of horizontal shear force and overturning moment between steel frame and shear wall plate, the angle of lateral displacement and main tensile stress of shear wall structure under horizontal load are obtained.The results show that the horizontal lateral stiffness of the structure decreases gradually with the increase of the loading grade, but the extent of the decrease is smaller and smaller, and the energy dissipation capacity of the specimen is very strong, and the structure consumes 6.7 times yield energy at the last stage of loading cycle.The energy consumption of each layer increases with the increase of loading displacement. The energy consumption of the second layer is the largest, the top layer is the second, and the bottom layer is the smallest. When the structure is in the elastic state of the first stage loading,The horizontal load ratio of shear wall plate is about 60%, the overturning moment ratio of steel frame is about 80%, and the variation range of main tensile stress inclination angle of shear wall plate is 30 掳/ 51 掳.
【作者单位】：江苏科技大学土木工程系;苏州科技学院土木工程系;
【基金】：国家自然科学基金项目(51308260,50578099) 住房和城乡建设部项目(2011-k2-2) 江苏科技大学博士人才支持计划项目(35281104)
【分类号】：TU352.11

【参考文献】