期刊
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING
卷 82, 期 -, 页码 111-122出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.soildyn.2015.12.002
关键词
Shaking table test; Multi-story subway station; Pulse-like ground motion; Dynamic responses
资金
- State Key Laboratory of Disaster Reduction in Civil Engineering [SLDRCE14-B-11]
- National Natural Science Foundation of China [51278524, 41472246]
- Innovation Program of Shanghai Municipal Education Commission [14ZZ034]
A series of shaking table tests were conducted to investigate the effect of pulse-like ground motion on a multi-story subway station. Dynamic response data, including internal forces, column drift, and settlement and deformation of the soil were obtained and analyzed. Results show that the pulse-like ground motion increases dynamic responses of the subway station and surrounding soils mainly owing to its inherent rich low-frequency component and high energy. In terms of the structure, central columns, especially central columns on a floor with large story height, are vulnerable components of a multi-story subway station. Both the dynamic earth pressure and the deformation mode of the side wall were analyzed. (C) 2015 Elsevier Ltd. All rights reserved.
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