多道抗震防线下高层建筑连续抗倒塌性能分析  

Analysis on Continuous Collapse Resistance Performance of High-rise Buildings under Multi-channel Seismic Defense Lines

作　　者：李敏 LI Min(China Construction Second Engineering Bureau Co.Ltd.,Nanjing 210000,China)

机构地区：[1]中国建筑第二工程局有限公司,江苏南京210000

出　　处：《天津建设科技》2023年第2期62-64,共3页Tianjin Construction Science and Technology

摘　　要：为提升高层建筑结构的稳定性,研究基于多道抗震防线的高层建筑连续抗倒塌性能。选取建筑结构试件,计算试件节点域屈服承载力与极限承载力,判断建筑结构抗震能力,计算建筑结构弹性模量,获取高层建筑结构连续抗倒塌性能相关系数,判断连续抗倒塌性能。研究结果表明:高层建筑在受到破坏时,受损框架抗剪承载力与完整框架之间的差异性较小,当最大基底剪力在耗能梁段遭受破坏时,屈服型耗能梁段框架抗剪承载力会相应升高,框架遭受破坏对高层建筑结构支撑框架抗剪承载力影响较低。In order to improve the stability of high-rise building structures,the paper studies the continuous anti-collapse performance of high-rise buildings based on multiple seismic lines,firstly selects the building structure specimen,calculates the yield bearing capacity and ultimate bearing capacity of the specimen node domain,then judges the seismic capacity of the building structure,finally calculates the elastic modulus of the building structure,obtaines the correlation coefficient of the continuous anti-collapse performance of the high-rise building structure,and judges the continuous anti-collapse performance.The research results show that the difference between the shear bearing capacity of the damaged frame and the intact frame is small when the high-rise building is damaged,the shear bearing capacity will increase,and the failure of the frame will have a low impact on the shear bearing capacity of the high-rise building structural support frame.

关 键 词：抗震防线 高层建筑 连续抗倒塌性能 

分 类 号：TU973.31[建筑科学—结构工程]