摘要
为探究装配式地铁车站在不同方向地震波作用下的地震响应,以长春某装配式地铁车站为背景,采用动力有限元分别对比分析了装配式和现浇式2种地铁车站在水平、竖向以及水平-竖向耦合人工地震波作用下的地震响应。结果表明:装配式车站较现浇式车站具有更强的竖向抗震性能,但其水平向抗震性能相对较弱;不同方向的波在叠加时会产生一定的“抵消”作用,装配式车站在“抵消”作用下表现得更为稳定;装配式地铁车站整体满足相关抗震安全性要求。
To explore the seismic response of the fabricated subway station under the action of seismic waves in different directions,a fabricated subway station in Changchun was taken as the sample background.The seismic responses of fabricated and cast-in-place subway stations under horizontal,vertical and horizontal-vertical coupled artificial seismic waves were analyzed respectively by dynamic finite element method.The results show that:(1)The fabricated station has better vertical anti-seismic performance than the cast-in-place station,but its horizontal anti-seismic performance is relatively weak.(2)When waves in different directions are superimposed,a certain degree of“offset”will occur.Compared with the cast-in-place station,the fabricated station presents more stable performance under the action of“offset”.(3)The fabricated subway station meets the requirements of anti-seismic safety in general.
作者
秦祎文
杨桃
郭昊天
原朝玮
Qin Yiwen;Yang Tao;Guo Haotian;Yuan Chaowei(School of Highway,Chang’an University,Xi’an 710064,China;Sichuan Dujinshandi Railway Transportation Co.,Ltd.,Chengdu 610000,China)
出处
《石家庄铁道大学学报（自然科学版）》
2020年第4期80-87,共8页
Journal of Shijiazhuang Tiedao University(Natural Science Edition)
基金
国家重点研发计划资助(2017YFC0805306)。
关键词
地铁车站
装配式结构
地震响应
数值分析
subway station
fabricated structure
seismic response
numerical analysis
