›› 2006, Vol. 27 ›› Issue (2): 209-213.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of behaviours of Rayleigh waves by stiffness matrix method

CHAI Hua-you1, 2, BAI Shi-wei1, LIU Ming-gui1, LU Ying-fa3   

  1. 1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences,Wuhan 430071, China; 2. Graduate School, Chinese Academy of Sciences, Beijing 100081, China; 3. College of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:2004-08-25 Online:2006-02-10 Published:2013-10-25

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Abstract: A layered solid system with limited depth is cut off from a layered halfspace in horizontal direction. Rigid boundary is set for the bottom of the layered solid system. The layers of the solid system are divided into mini-layers. The dispersions of surface waves are obtained by stiffness matrix method. The dispersions of Rayleigh mode waves can be filtered out from dispersions of surface waves according to attenuation behaviour of vertical displacement of Rayleigh waves in bottom layer. The Rayleigh mode waves in the layered solid are corresponding to ones in layered halfspace within a certain range of frequency. The lower limit of frequency is related to thickness of layered solid. The bigger the thickness is, the smaller the lower limit of frequency is. The relationships between thicknesses of mini-layers, the thickness of layered solid and interested frequencies are analyzed.

Key words: surface wave, Rayleigh wave, mode, dispersion, stiffness matrix, eigenvalue

CLC Number: 

  • O 347.4
  • 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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