T型钢连接整体钢框架的抗震性能研究
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摘要
T型钢连接具有造价低、安装方便等优点,是刚度最大的半刚性连接之一。为了研究T型钢连接整体钢框架的抗震性能,进行了一个两层单跨单开间钢框架模型的拟动力试验,研究了T型钢连接钢框架在El Centro波和宁河天津波作用下节点区域的应变变化、层间位移反应和荷载反馈,分析了钢框架在弹性范围内的变形能力、承载力和抗震能力。试验结果表明,T型钢连接钢框架在弹性范围内具有较好的变形能力、承载能力及良好的抗震性能。研究结论可供工程应用参考。
T steel connections is one of semi- rigid connection with low cost and convenient installation and largest stiffness. In order to study the seismic performance of the whole steel frames with T steel connection,pseudo-dynamic test for a single span and one bay two storey steel frame model was carried out,the strain changes,interstorey displacement and load feedeack in joint region of T steel connection steel frame under the action of El Centro wave and Ning he Tianjin wave were researched to analyze the deformation,bearing and aseismic capacities of the steel frame within elastic range. The test results show that the T steel connection steel frame has better deformation,bearing capacities and seismic performance within the elastic range. The conclusions may give a reference to engineering application.
引文
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