Analysis on evolution of nonlinear seismic damage of subway station structure
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作者:
Zuo, Xi
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机构:
Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, ChinaInstitute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China
Zuo, Xi
[1
]
Chen, Guo-Xing
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机构:
Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, ChinaInstitute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China
Chen, Guo-Xing
[1
]
机构:
[1] Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China
Considering the influence of soil-station structure interaction for the 2D finite element analysis, the nonlinear dynamic interaction of soil-station structure is modeled. After researching on plastic damage of station structure under middle-far field seismic motion and near-fault seismic motion, the damage region of concrete structure has been discovered, and then the local and global damage degree of structure is measured by the damage index. Furthermore, the nonlinear damage evolution law of station structure is analyzed. The result shows that the damage zone of station structure is at the top and bottom of columns and the damage conditions are different between different floors.