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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.9 P.1022~1027

http://doi.org/10.1631/jzus.2004.1022


Stable response of axisymmetric two-phase water-saturated soil


Author(s):  CAI Yuan-qiang, MENG Kai, XU Chang-jie

Affiliation(s):  Institute of Geotechnical Engineering, College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310016, China

Corresponding email(s):   caiyq@cls.zju.edu.cn

Key Words:  Biot&rsquo, s dynamic consolidation, Lamb&rsquo, s problem, Saturated subsoil


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CAI Yuan-qiang, MENG Kai, XU Chang-jie. Stable response of axisymmetric two-phase water-saturated soil[J]. Journal of Zhejiang University Science A, 2004, 5(9): 1022~1027.

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Abstract: 
biot&rsquo;s dynamic consolidation equations and Hankel transform were used to derive the integral solutions of stress and displacement for axisymmetric harmonic excitations in the two-phase saturated soil with subjacent rock-stratum. The influence of the coefficient of permeability and loading frequency on the soil displacement at the ground surface were studied. The results showed that higher loading frequency led to more dynamic characteristics; and that the effect of the soil permeability was more obvious at higher frequencies.

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Reference

[1] Biot, M.A., 1956. Theory of propagation of elastic waves in afluid-saturated porous solid. The Journal of the Acoustical Society of America, 28(2):168-191.

[2] Bougacha, S., Tassoulas, J.L., Roesset, J.M., 1986. Analysis of foundations on fluid-filled poroelastic stratum. J. Eng. Mech, ASCE, 119:1632-1648.

[3] Halpern, M.R., Christiano, P., 1986. Response of poroelastic half-space to steady state harmonic surface tractions. Int. J. Numer. Anal. Mech. Geomech, 10:609-632.

[4] Jin, B., 1999. The vertical vibrations of an elastic circular plate on a fluid-saturated porous half-space. Int. J. Eng. Sci., 37:379-393.

[5] Lamb, H., 1904. On the propagation of tremors over the surface of an elastic solid. Phil Trans Roy Soc, 203:1-42.

[6] Yang, J., Song, E.X., 1999. Dynamic analysis of infinite saturated soil foundation by finite elements. J. of Tsinghua University, 39(12):82-85 (in Chinese).

[7] Zhang, Y.H., Huang, Y., Wang, Z.J., 2002. Analysis procedures of dynamic response of 3-D non-axisymmetric layered saturated soil. Earthquake Engineering and Engineering Vibration, 22(4):47-52.

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