赣州西站主体结构动力弹塑性分析  

Dynamic elastoplastic analysis of the main structure of Ganzhou West Railway Station

作　　者：张慎[1] 王杰[1] 程明 丁世伟 张卫[1] 魏剑[1] 黄国胜 ZHANG Shen;WANG Jie;CHENG Ming;DING Shiwei;ZHANG Wei;WEI Jian;HUANG Guosheng(Central-South Architectural Design Institute Co,Ltd.,Wuhan 430071,China)

机构地区：[1]中南建筑设计院股份有限公司,武汉430071

出　　处：《建筑结构》2020年第23期64-70,共7页Building Structure

基　　金：住房与城乡建设部建设科技计划项目(2017-K5-014)。

摘　　要：赣州西站主站房为"桥建合一"的线上式高架站房,主体结构采用型钢混凝土框架结构,站房屋面采用空间钢网格结构,其中突出正立面钢结构采用钢网格筒+空间桁架结构。采用有限元软件ABAQUS对整体结构进行动力弹塑性时程分析,其中预应力构件采用等效荷载法进行分析,并在此基础上对关键节点进行有限元分析。分析结果表明,罕遇地震作用下,结构构件性能均满足预期性能目标,关键节点处于弹性,仅局部楼板损伤明显。The main station building of Ganzhou West Railway Station is an online elevated station building with "integration of bridge and construction". The main structure adopts steel concrete frame structure, and the station roof adopts spatial steel grid structure. The steel structure of the prominent facade adopts steel grid tube+spatial truss structure. The finite element software ABAQUS was used to conduct dynamic elastoplastic time history analysis of the overall structure, in which the prestressed components were analyzed by the equivalent load method, and the key nodes were analyzed by finite element analysis on this basis. The analysis results show that under rare earthquakes, the performance of structural members can meet the expected performance goals, the key nodes are elastic, and only local floor damage is obvious.

关 键 词：赣州西站 高架站房 钢网格筒+空间桁架结构 预应力 性能水准 等效荷载法 

分 类 号：TU318[建筑科学—结构工程]