论文部分内容阅读
为研究损伤型钢混凝土(SRC)异形柱框架的抗震性能,对1榀两跨三层的框架模型进行拟动力试验,分析该结构在水平地震作用下的动力响应、滞回特性、刚度等性能。结果表明:损伤SRC异形柱框架再次遭受地震作用时,首先从损伤严重的部位开始破坏;滞回曲线较为饱满,具有一定的承载能力、耗能能力和抗倒塌能力;刚度较小,当地震作用不大时层间变形较大。损伤指标不大于0.8的SRC异形柱框架,能够承受8度基本烈度的地震作用而不发生倒塌。研究可为SRC异形柱框架的工程应用提供参考。
In order to study the seismic behavior of the SRC special-shaped column frame, the pseudo-dynamic test of the frame model of 1 榀 two-span and 3-storey was carried out. The dynamic response, hysteretic characteristics and stiffness of the frame under horizontal earthquake were analyzed. The results show that when SRC special-shaped column frame is subjected to earthquake again, the damage begins at the site with severe damage. The hysteresis curve is full and has some bearing capacity, energy dissipation capacity and anti-collapse ability. When the SRC is damaged, Large deformation between layers is not large. The SRC special-shaped column frame whose damage index is not more than 0.8 can withstand the earthquake of 8 degree basic intensity without collapsing. The research can provide reference for engineering application of SRC special-shaped column frame.