›› 2007, Vol. 28 ›› Issue (8): 1655-1660.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Effects of shallow buried cavity on anti-plane ground motion

CHEN Zhi-gang   

  1. Department of Mechanics and Civil Engineering, Jinan University，Guangzhou 510632, China
  • Received:2005-08-29 Online:2007-08-10 Published:2013-10-15

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Abstract: A scattering wave function satisfying zero-stress condition on horizontal surface is constructed by using the functions of complex variable and multi-polar coordinate system. The scattering of SH-wave with arbitrary incident angle by a subsurface cavity of arbitrary shape in half space is studied together with its influence on ground motion. Numerical results of the ground motion on subsurface cavity are provided. The effects of incident wavelength, incident angle, shape of cavity and buried depth on ground motion are analyzed quantitatively. The research indicates that great interaction exists between the subsurface cavity and the horizontal surface, which will bring about great influence on ground motion. Therefore enough importance must be attached to the existing of subsurface cavity while finishing seismic design for building.

Key words: shallow buried cavity, ground motion, SH-wave, conformal mapping

CLC Number: 

  • P315.9
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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