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Volume 35 Issue zk2
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LIU Yong, CHEN Guo-xing, KONG Meng-yun. Seismic response of undersea tunnels to hydrodynamic and hydrostatic pressures[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 357-362.
Citation: LIU Yong, CHEN Guo-xing, KONG Meng-yun. Seismic response of undersea tunnels to hydrodynamic and hydrostatic pressures[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 357-362.
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Seismic response of undersea tunnels to hydrodynamic and hydrostatic pressures

  • 1. Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China; 2. Research Center of Urban Underground Space, Nanjing University of Technology, Nanjing 210009, China

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  • Received Date: June 06, 2013
  • Published Date: November 24, 2013
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    • Abstract
  • Based on the theory of Airy minute amplitude of vibration, A finite element model for sea-soil-tunnel system is established on the basis of the software of ABAQUS. The seismic responses of under sea tunnels to of effects analysis hydrodynamic and hydrostatic pressures under different buried depths are compared. The results show that, the horizontal acceleration and relative horizontal displacement is 1.1~1.4 and 1.8~2.3 times respectively under hydrodynamic pressure than hydrostatic pressure. With the increasing buried depth, the stress and displacement as well as the corresponding impact factor of hydrodynamic pressure KD decrease, that is, the hydrodynamic pressure has no effect on seismic response when it reaches certain depths.The stress in spandrel and haunch is significantly larger than that in the other parts so that the spandrel and haunch are the most dangerous parts of the tunnel.
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    • References (13)
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