Numerical Analysis of MMP Piling with Wet-Jetting Method

Abstract:

MMP pile is a method of foundation treatment, and driving pile brings the excess pore water pressure in the surrounding subgrade. By using a software ABAQUS to build a three-dimensional model, the process of MMP pile driven at a site of railway foundation in Shanghai is simulated using theory of Biot consolidation and modified Cam-clay model with three-dimension effect being considered. The changes in the excess pore pressure are obtained. Comparing the computed results with measured results in situ shows that the computed excess pore water pressure is consistency with that measured from in situ.

• Periodical: Advanced Materials Research (Volumes 446-449)
• Pages: 1718-1722
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.446-449.1718
• Online since: January 2012
• Authors: Yao Yao Chen, De An Sun
• Keywords: Excess Pore Water Pressure, Modified Cam-Clay Model, Multi-Direction Tridimensional Bidirectional Mixing Pile, Wet-Jetting Method

References

[1] S.Y. Liu, HY. Chu, N.H. Gong, et al. China Patent, CN10065862.9. 2004-12-23(in Chinese).

[2] S.Y. Liu, P.S. Xi, H.C. Chu, et al. Rock and Soil Mechanics, Vol. 28(2007), No.3, p.560 (in Chinese).

[3] Y.Q. Zhao. Construction Technology, Vol. 38(2009), No.9, p.44 (in Chinese).

[4] P.S. Xi, N.H. Gong, H.Y. Chu, et al. Construction Technology, Vol. 36(2007), No.1, p.5(in Chinese).

[5] K.H. Roscoe, J.B. Burland. In: Engineering Plasticity, edited by J. Heyman and F.A. Leckie, Cambridge University Press, p.535(1968).

[6] ABAQUS/Standard User's Manual Volume two, 11.3.4.

[7] A.S. Vesic. Journal of Soil Mechanics and Foundation Engineering, ASCE, Vol. 98(1972), No.3, p.265.

[8] Z.H. Xu. Ph D thesis submitted for Shanghai Jiaotong University (in Chinese) (2007).