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Experimental Study Using a Shaking Table Model for a Tunnel Passing Through Faults ( Part I): Test Scheme Design
(1 School of Civil Engineering, Dalian University of Technology, Dalian 116024; 2 School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031; 3 China Railway 13th Bureau Group Co. Ltd., Tianjin 300308; 4 Highway Planning, Survey, Design and Research Institute, Sichuan Provincial Transportation Department, Chengdu 610041)
Abstract Having a section that passes through a fault is one vulnerability regarding the seismic resistance of a tunnel. Based on the Ya'an-Lugu expressway tunnel in an area of southwest China characterized by high seismic intensity, an experimental study using a shaking table model for tunnels passing through faults was conducted, which determined the similarity relation of the model systems according to test conditions and the shaking table performance. Then, similar materials were finalized through indoor ratio tests, and the model casing was designed according to testing characteristics. The "model casing effects" were analyzed and handled, and a reasonable layout of sensors was carried out as per numerical calculation results. Finally, the test conditions were designed according to the test intentions.
Abstract：
Having a section that passes through a fault is one vulnerability regarding the seismic resistance of a tunnel. Based on the Ya'an-Lugu expressway tunnel in an area of southwest China characterized by high seismic intensity, an experimental study using a shaking table model for tunnels passing through faults was conducted, which determined the similarity relation of the model systems according to test conditions and the shaking table performance. Then, similar materials were finalized through indoor ratio tests, and the model casing was designed according to testing characteristics. The "model casing effects" were analyzed and handled, and a reasonable layout of sensors was carried out as per numerical calculation results. Finally, the test conditions were designed according to the test intentions.
WANG Zheng-Zheng-1,
GAO ,
BO 2 etc
.Experimental Study Using a Shaking Table Model for a Tunnel Passing Through Faults ( Part I): Test Scheme Design[J] MODERN TUNNELLING TECHNOLOGY, 2014,V51(2): 50-55
2014, Vol. 51 