小跨高比连梁抗震性能改善措施研究  

Study on improvement measures of seismic performance of small span and high beam

作　　者：汪俊伊 于德湖[1] 许卫晓[1] WANG Jun-yi;YU De-hu;XU Wei-xiao(School of Civil Engineering,Qingdao University of Technology,Qingdao 266033,China)

机构地区：[1]青岛理工大学土木工程学院,青岛266033

出　　处：《青岛理工大学学报》2019年第1期1-7,21,共8页Journal of Qingdao University of Technology

基　　金：国家自然科学基金面上项目(51478231)

摘　　要：为了改善小跨高比连梁的抗震性能,提出2种新形式连梁:含铅阻尼夹层连梁和带耗能段钢连梁.借助ABAQUS有限元软件进行数值模拟,对比分析这2种连梁的承载力、延性、耗能能力和刚度退化性能,并与普通连梁、半通缝连梁、双连梁模型进行对比.对比分析表明相同尺寸情况下,含铅阻尼夹层连梁承载力与普通连梁相当,延性和耗能能力有明显提高;带耗能段钢连梁承载力、延性和耗能能力都远高于普通连梁、双连梁、半通缝连梁和含铅阻尼夹层连梁.In order to improve the seismic performance of coupling beams with small span to depth ratio,the paper proposes two new types of coupling beams:coupling beam with lead damper and steel coupling beam with energy dissipation section.Compared with ordinary couplingbeam,semi-corridor beam,and double-beam model,it analyzes the bearing capacity,ductility,energy dissipation capacity and stiffness degradation performance of the two kinds of beams by numerical simulation with ABAQUS finite element software.The contrast analysis shows that the ductility and energy dissipation capacity are obviously improved in the same size.The capacity of coupling beam with lead damper is equal to that of common coupling beam,and the ductility and the energy dissipation capacity have significantly been improved.The steel coupling beam with energy dissipation section of capacity,ductility and energy dissipation capacity are much higher than coupling beam with lead damper ordinary coupling beam,semi-corridor beam,and double-beam.

关 键 词：抗震性能 数值模拟 连梁 含铅阻尼夹层连梁 带耗能段钢连梁 

分 类 号：TU375.1[建筑科学—结构工程]