平放式栓接端板轻型门式刚架滞回性能分析  

Analysis on Flat End-plate Bolted Portal Steel Frame Hysteretic Behavior

作　　者：王涛涛[1] 史华涛[1] 

机构地区：[1]西安建筑科技大学土木工程学院,陕西西安710055

出　　处：《华北水利水电学院学报》2010年第3期28-31,共4页North China Institute of Water Conservancy and Hydroelectric Power

摘　　要：主要对5个平放式栓接端板的门式刚架滞回性能进行有限元模拟分析.前4个模型考虑端板厚度,第5个模型考虑了梁截面尺寸对相关抗震性能参数的影响.研究结果表明:构件滞回环不饱满,破坏突然,抗震性能较差;随着端板厚度的增加和梁翼缘宽度的增加,构件的延性系数减小,抗震性能变差.In this paper,hysteretic behaviors of five portal frames with steel bolted end-plate are simulated by finite element models.The first four models mainly take into account the difference of the thickness of end plates,the fifth model the effect of the beam cross-section size on the related seismic parameters.The results show that the hysteresis loops of components are small;destructions are sudden,and seismic performance is poor.With the thickness of the end plate and the width of the beam increasing,the ductility coefficient decreases and seismic performance deteriorates.

关 键 词：门式刚架 端板平放 滞回曲线 耗能系数 

分 类 号：TU392.5[建筑科学—结构工程]