›› 2011, Vol. 32 ›› Issue (9): 2669-2674.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Propagation characteristics of elastic wave in saturated frozen soil

ZHOU Feng-xi1, 2，LAI Yuan-ming1   

  1. 1. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China; 2. School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China
  • Received:2010-01-19 Online:2011-09-10 Published:2011-09-13

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Abstract: With the application of continuum theory of mixture, which takes the three-phase media, including grains, fluid and ice into account, the dispersion equations of body waves are established for saturated frozen soil by considering Bishop’s effective stress formula. The equations are described with skeleton displacement, pore water displacement, pore water pressure and pore ice pressure. The analytical expressions of wave velocity and attenuation are deduced. The effects of frequency and the parameters of saturated frozen soils on the velocity and attenuation of three kinds of body waves (P1 wave, P2 wave and S wave, respectively) are investigated by using numerical method

Key words: saturated frozen soils, mixture, elastic wave, propagation characteristics

CLC Number: 

  • TU 43
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