Numerical study on rainfall infiltration in rock-soil slop


Autoria(s): 刘曰武; 刘青泉; 陈慧新; 宫欣; 张大为; 姚德良; 李连祥
Data(s)

2005

Resumo

A mathematical model for the rain infiltration in the rock-soil slop has been established and solved by using the finite element method. The unsteady water infiltrating process has been simulated to get water content both in the homogeneous and heterogeneous media. The simulated results show that the rock blocks in the rock-soil slop can cause the wetting front moving fast. If the rain intensity is increased, the saturated region will be formed quickly while other conditions are the same. If the rain intensity keeps a constant, it is possible to accelerate the generation of the saturated region by properly increasing the vertical filtration rate of the rock-soil slop. However, if the vertical filtration rate is so far greater than the rain intensity, it will be difficult to form the saturated region in the rock-soil slop. The numerical method was verified by comparing the calculation results with the field test data.

Identificador

http://dspace.imech.ac.cn/handle/311007/33835

http://www.irgrid.ac.cn/handle/1471x/2766

Idioma(s)

英语

Fonte

Science in China Series E-Engineering & Materials Science.2005,4833-46

Palavras-Chave #Rock-Soil Block #Rainfall #Water Content #Infiltration #Finite Element Method (Fem) #Unsaturated Flow #Transient #Model #Water
Tipo

期刊论文