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Journal of Zhejiang University SCIENCE A 2002 Vol.3 No.5 P.507~512

http://doi.org/10.1631/jzus.2002.0507


Consolidation behavior of cement- and lime/cement-mixed column foundations


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

Affiliation(s):  Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   cyq@civil.zju.edu.cn, xucj@civil.zju.edu.cn

Key Words:  Consolidation, Axi-symmetric, Cement-mixed column, Lime/cement mixed column, Composite foundations


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CAI Yuan-qiang, XU Chang-jie. Consolidation behavior of cement- and lime/cement-mixed column foundations[J]. Journal of Zhejiang University Science A, 2002, 3(5): 507~512.

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Abstract: 
The consolidation behavior of mixed in place cement- and lime/cement-mixed column was studied. consolidation of the composite foundation was modeled as a three-dimensional axi-symmetric problem. The authors used the finite difference method to obtain the pore pressure variation with time at any location below the surface. A computer program developed by the authors was used to draw some interesting conclusions about the consolidation behaviors of cement- and lime/cement-mixed pile foundation. Finally, a combined model including the permeability coefficients of cement-mixed piles and soil, was studied and its feasibility was evaluated.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Broms, B., Boman, P., 1979. Lime columns-a new foundation method. Journal of the Geotechnical Engineering Division, ASCE, 4: 539-555.

[2] Carrillo, N., 1942. Simple two- and three- dimensional cases in the theory of consolidation of soil. J. of Math. and Phys., 21(1): 6-9.

[3] Gong,X.N., 1992. Composite Foundation. Zhejiang University Press, Hangzhou.

[4] Li R. H., Fen G. Z., 1995, Numerical Methods for Deferential Equations. Publishing Press of Advanced Education, Beijing.

[5] Scott, R. F., 1963. Principles of Soil Mechanics. Addison-Wesley Publishing Press., New York.

[6] Yoshikuni, H., Nakanodo, H., 1974. Consolidation of soils by vertical drain wells with finite permeability. Soils and foundation, 14(2): 36-43.

[7] Zeng,G.X., Lu Z.J., 1988. Ground Improvement Methods. Chinese Publishing Press of Civil Engng, Beijing.

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