变渗透系数软土一维非线性固结沉降数值模拟

固结沉降计算是工程建筑中的重要内容之一。传统的固结沉降计算多是基于渗透数为常数的Terzaghi模型，这与实际的固结过程有较大的差别。采用Carman—Koze模型与一维非线性固结沉降模型进行耦合来模拟固结沉降过程。结果表明，固结导致的渗透系数的变化对固结有较大的影响，特别是在后期这种影响会越来越大。

Numerical simulation of soft soil no-linear consolidation settlement with variable hydraulic conductivity

Calculation of soil consolidation settlement is a vital task of constructional engineering project. Traditional consolidation settlement calculations are mainly based on Terzaghi model in which the hydraulic conductivity is treated as a constant. There are some differences between this model and the actual consolidation process. This paper couples Carman - Kozeny and 1D non - linear consolidation settlement model to simulate the process of soil consolidation settlement. The simulation result shows that change of the conductivity can fairly influent the consolidation process, and the influence grows great as the process moves forward.