岩土工程学报2025,Vol.47Issue(11):2295-2304,10.DOI:10.11779/CJGE20240829
装配式地铁车站结构抗震性能多指标评价及限值研究
Multi-index and thresholds for seismic performance evaluation of prefabricated subway station structure
摘要
Abstract
The prefabricated subway station is composed of prefabricated components and cast-in-place concrete,there are many splicing nodes between its components,and these splicing nodes will directly affect the seismic performance of the structure.Based on static pushover tests of the prefabricated subway station,this paper establishes a three-dimensional finite element model,which is consistent with physical tests.The feasibility of the model is verified by analyzing and comparing the mechanical characteristics,damage details and failure modes of the structure,the Interstory Displacement Ratio(IDR)of the middle column and crack width are selected to evaluate the seismic performance of the structure.The results indicate that the numerical model is in good agreement with the force-displacement curve and damage details of physical test.The upper layer of the prefabricated subway station structure is more seriously damaged than the lower layer,the displacement between the upper layers is 1.6 times that of the lower layers and there are obvious cracks in the wall-middle slab joint.Finally,combined with the safety and normal use functionality of the prefabricated subway station,and taking the IDR and crack width at the joints of the prefabricate subway station into consideration,the index limits of the structure under different damage states are quantified,which provides a reference for the optimal design of its performance.关键词
装配整体式地铁车站/层间位移角/裂缝宽度/抗震性能Key words
prefabricated subway station/Interstory Displacement Ratio(IDR)/crack width/seismic performance分类
土木建筑引用本文复制引用
钟紫蓝,唐俊超,陈晋男,许成顺,杜修力..装配式地铁车站结构抗震性能多指标评价及限值研究[J].岩土工程学报,2025,47(11):2295-2304,10.基金项目
国家自然科学基金面上项目(52378470) (52378470)
国家自然科学基金国际(地区)合作与交流项目(52220105011)This work was supported by National Natural Science Foundation of China(Grant No.52378470)and National Natural Science Foundation of China(Grant No.52220105011). (地区)