【摘要】 巨型钢柱是巨型钢框架结构的关键受力构件,组成杆件多,构造复杂,建立其空间恢复力模型是进行巨型框架简化弹塑性地震反应分析的必要条件。通过两端简支巨型钢柱在双向水平往复荷载下的伪静力试验,研究了其空间滞回特性和模拟方法,为将巨型钢柱折算为等效单一柱提供了试验依据。更多还原

【Abstract】 Mega steel column (MSC) is the key element of mega steel frame (MSF), which consists of many members and its construction is very complicated. In order to study the inelastic seismic response of MSF in simple way, the model of spatial restoring-force characteristics of MSC must be investigated. Pseudo-static test of simply supported MSC subjected to cyclical loads in tow horizontal directions has been carried out. The spatial hysteresis characteristic of MSC and its simulation method are also studied, which supply the experimental bases for simulating MSC as an equivalent column in the further research.更多还原