With the rapid development of subway construction and the increasing shortage of urban land in our country,the distance between buildings and subway lines is getting closer and closer.For new buildings adjacent to the subway,it is increasingly necessary to carry out the optimization design on the building structure to suppress subway-induced vibration in the design stage.In this paper,taking a building to be built adjacent to the subway as the research object,the numerical simulation method is used to analyze and compare the subway-induced vibration response of buildings with different foundation forms(pile-raft foundation and raft foundation)and different base types(non-soil-compacting base and soil-compacting base).The results show that the ability of pile-raft foundation to suppress subway-induced vibration is slightly better than that of raft foundation.The change of foundation forms has no significant effect on outdoor vibration of the building,and it does not alter the variation law of vibration level of each floor with the rise of storey.Different foundation forms can change the indoor vibration distribution of the building,but the regularity of the change is not clear.The ability of non soil-compacting base to suppress subway-induced vibration is significantly better than that of soil-compacting base.The change of base types does not alter the variation law of vibration level of each floor with the rise of storey,but it has an obvious influence on both outdoor and indoor vibration responses of the building.
关键词
振动与波/地铁振动控制/地基基础/建筑结构/振动响应/数值仿真
Key words
vibration and wave/subway-induced vibration control/base and foundation/building structure/vibration response/numerical simulation
维普
万方数据