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Consolidation behavior of cement- and lime/cement-mixed column foundations
Authors:Cai Yuan-qiang  Xu Chang-jie
Institution:(1) Department of Civil Engineering, Zhejiang University, 310027 Hangzhou, China
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. Project supported by National Natural Science Foundation of China (No. 59908012) and Education Ministry of China
Keywords:Consolidation  Axi-symmetric  Cement-mixed column  lime/cement mixed column  Composite foundations
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