Author(s): QIN Ai-fang, SUN De-an, TAN Yong-wei
Pages: 199-209
Year: 2010 Issue:  2
Journal: Applied Mathematics and Mechanics
Keyword:  one-dimensional consolidation; unsaturated soil; excess pore-water pressure; excess pore-air pressure; semi-analytical solution;
Abstract: 首先对Fredlund的非饱和土一维固结理论进行简化,由得到的液相及气相的控制方程、Darcy定律及Fick定律,经Laplace变换及Cayley-Hamilton定理构造了顶面状态向量与任意深度处状态向量间的传递关系;通过引入边界条件,得到了大面积瞬时加荷情况多种边界条件下Laplace变换域内的超孔隙水压力、超孔隙气压力及土层沉降的解;采用Crump方法编制程序实现Laplace逆转换,得到...