摘要
为研究带约束拉杆钢板混凝土组合剪力墙的抗震性能及螺栓连接的可靠性,对3片高宽比为1.5的螺栓连接带约束拉杆钢板混凝土组合剪力墙进行了水平方向低周反复加载试验及有限元静力弹塑性分析。研究了试件的破坏形态及变形能力,得到了试件滞回曲线、承载力及骨架曲线。分析了约束拉杆间距对试件抗震性能的影响。建立有限元模型,对试件进行静力弹塑性分析并针对轴压比、约束拉杆间距进行了参数分析。结果表明,钢板之间采用螺栓连接可行,带约束拉杆钢板混凝土组合剪力墙具有较好的抗震性能,密布约束拉杆可有效提高其抗震性能,轴压比越高提高试件受力性能的效果越显著。
In order to study the seismic behavior of composite concrete steel plate shear walls with binding bars and the reliability of bolted connections, a series of horizontal-low-cyclic reversed loading tests and non- linear elasto-plastic analyses were conducted on three pieces of composite walls, which were designed with the aspect ratio of 1.5. The failure modes, deformation performance, and energy dissipation capacity were ob- served. Valuable results were obtained for the hysteretic curves, bearing capacity, skeleton curves and ductili- ty. The effect of different binding bar spacings were analyzed. Nonlinear elasto-plastic analyses were per- formed to analyze the effects of different axial compression ratio and different spacing of binding bars. The re- suits indicate that the bolt connection between two steel plates is a feasible design. There is an acceptable seis- mic performance for the composite concrete steel plate shear walls with binding bars. This seismic performance can be enhanced effectively by increasing the number of binding bars and this enchancement effect is more ob- vious when axial compression ratio is high.
出处
《结构工程师》
北大核心
2013年第4期153-158,共6页
Structural Engineers
基金
国家自然科学基金资助项目(51178333)
