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作者:

Han, Xuechuan (Han, Xuechuan.) | Tao, Lianjin (Tao, Lianjin.) (学者:陶连金) | An, Shao (An, Shao.) | Zhang, Yu. (Zhang, Yu..)

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EI

摘要:

In order to study the seismic response law of the Upper Cover Structure station system, the shaking table test was carried out on the silty sand site with the subway superstructure system and single subway station structure as the research objects. Firstly, the general situation of shaking table test is introduced. Then, the seismic response of subway station structure is studied from two aspects including acceleration and strain, and the test results are compared. The test data show that: (1) With the increase of input seismic intensity, the acceleration peak value of soil and monitoring points of the same structure increases gradually, while the acceleration amplification coefficient decreases gradually. (2) With the increase of earthquake intensity, the tensile strain amplitude of the superstructure-subway station structure increases gradually. In the model, the tensile strain amplitude at the end of the column is the largest, followed by the side wall and the floor is the smallest. (3) The acceleration and strain of the superstructure-subway station system are less than those of the single subway station structure, in which the acceleration variation law is roughly the same. The difference of strain amplitude gradually increases with the increase of earthquake intensity, and the change rate of strain peak value gradually increases and converges. © Published under licence by IOP Publishing Ltd.

关键词:

Acceleration Earthquakes Railroad stations Seismic response Strain rate Subways Subway stations Tensile strain

作者机构:

  • [ 1 ] [Han, Xuechuan]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Tao, Lianjin]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [An, Shao]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Zhang, Yu.]Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing; 100124, China

通讯作者信息:

  • [han, xuechuan]key laboratory of urban security and disaster engineering, ministry of education, beijing university of technology, beijing; 100124, china

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ISSN: 1755-1307

年份: 2021

期: 3

卷: 719

语种: 英文

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SCOPUS被引频次: 1

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