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Nonlinear Consolidation Analysis of Soil-Cement Pile
A few consolidation solutions of soil-cement pile have been derived by the assumption that the coefficient of volume compressibility and coefficient of permeability of soil and pile is constant. However, the value of coefficient of volume compressibility and coefficient of permeability of soil and pile varies along depth during the consolidation process with the increment of effective stress of soft soil and pile. In this paper, the e–logσ′ and e–logk linear relationship is used to describe the stress-strain and strain-permeability coefficient relationship of soft soil. The nonlinear compressive character of soil-cement pile is considered. The semi-analytical solution is obtained by dividing the computing unit and segmenting the consolidation time. The coefficient of volume compressibility and coefficient of permeability of soil and pile can be assumed to be constant at any soil layer during any time interval. The initial conditions of computing unit can be confirmed by the calculation results of last time interval. Finally, some nonlinear consolidation properties of composite ground are analysed.
Nonlinear Consolidation Analysis of Soil-Cement Pile
A few consolidation solutions of soil-cement pile have been derived by the assumption that the coefficient of volume compressibility and coefficient of permeability of soil and pile is constant. However, the value of coefficient of volume compressibility and coefficient of permeability of soil and pile varies along depth during the consolidation process with the increment of effective stress of soft soil and pile. In this paper, the e–logσ′ and e–logk linear relationship is used to describe the stress-strain and strain-permeability coefficient relationship of soft soil. The nonlinear compressive character of soil-cement pile is considered. The semi-analytical solution is obtained by dividing the computing unit and segmenting the consolidation time. The coefficient of volume compressibility and coefficient of permeability of soil and pile can be assumed to be constant at any soil layer during any time interval. The initial conditions of computing unit can be confirmed by the calculation results of last time interval. Finally, some nonlinear consolidation properties of composite ground are analysed.
Nonlinear Consolidation Analysis of Soil-Cement Pile
Wang, Chi (author) / Xia, Guo-Xing (author) / Huang, Ming (author)
2011
6 Seiten
Conference paper
English
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