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Volume 35 Issue zk1
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LIU Huan, MU Lin-long, HUANG Mao-song, JIAO Qi-zhu. Model tests on dynamic response of tunnels under tidal bore excitations[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 501-505.
Citation: LIU Huan, MU Lin-long, HUANG Mao-song, JIAO Qi-zhu. Model tests on dynamic response of tunnels under tidal bore excitations[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 501-505.
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Model tests on dynamic response of tunnels under tidal bore excitations

  • 1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2.Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China; 3.China Railway Siyuan Survey And Design Group Co., Ltd., Wuhan 430063, China

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  • Received Date: March 01, 2013
  • Published Date: July 18, 2013
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    • Abstract
  • The tidal bore in Qiantang River leads to sharp rise of water level and powerful impact on the riverbed, which will cause the tunnel vibration. However, it is not able to predict the vibration of tunnels under tidal bore clearly now. Consequently, it’s necessary to conduct feasible researches on the dynamic response of the tunnels, especially the characteristics of the longitudinal dynamic response. Model tests on dynamic responses of a small tunnel instrumented with miniature accelerometers are performed. Vibratory loadings are produced on the soil surface by an electric exciter to simulate dynamic loading from tidal bore. The test results are compared with those from a simplified method to investigate the dynamic responses of the tunnel. The factors that affect the dynamic response of the tunnel are explored.
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