[1] PHOON K K, TAN T S, CHONG P C. Numerical simulation of RichArds Equation in Partially Saturated Porous Media: Under-Relaxation and Mass Balance [J]. Geotechnical and Geological Engineering, 2007, 25: 525-541.
[2] MUNTOHAR A S, LIAO H J. Analysis of Rainfall-Induced Infinite Slope Failure During Typhoon Using A Hydrological Geotechnical model [J]. Environmental Geology, 2009, 56(6): 1145-1159.
[3] ZHANG J, HUANG H, ZHANG L, et al. Probabilistic Prediction of Rainfall-Induced Slope Failure Using A Mechanics-Based Model [J]. Engineering Geology, 2014, 168: 129-140.
[4] GREEN W H, AMPT G A. Studies of Soil Physics, Part 1-the Flow of Air and Water Through Soils [J]. Agricultural Science, 1911, 4(1): 1-24.
[5] BOUWER H. Infiltration of Water into Nonuniform Soil [J]. Irrigation and Drainage Division of ASCE, 1969, 95: 451-462.
[6] CHILDS E C, BYBORDI M. The Vertical Movement of Water in Stratified Porous Material-1 Infiltration [J]. Water Resources Research, 1969, 5: 446-459.
[7] FOK Y S. One-Dimensional Infiltration into Layered Soils [J]. Irrigation and Drainage Division, ASCE, 1970, 90:121-129.
[8] MOORE I D. Infiltration Equation Modified for Subsurface Effects [J]. Irrigation and Drainage Division, ASCE, 1981, 107: 71-86.
[9] CHEN L, YOUNG M H. Gren-Ampt Infiltration Model for Sloping Surfaces [J]. Catena, 1991, 1(18): 91-111.
[10] SUNG Euncho. Infiltration Analysis to Evaluate the Surficial Stability of Two-Layered Slopes Considering Rainfall Characteristics [J]. Engineering Geology, 2009, 105:32-43.
[11] GENUCHTEN M T Van. A Closed-Form Equation for Predicting the Hydraulic Conductivity of Unsaturated Soils [J]. Soil Science Society of America Journal, 1980, 44: 892-898.
[12] 吕特,张洁,XUE Jianfeng. Green-Ampt模型渗透系数取值方法研究 [J]. 岩土力学(增刊)录用,2015.
[13]

TE L V, ZHANG Jie. On Permeability Coefficient of Green-Ampt Mod el [J]. Rock and Soil Mechanics, Accepted.
[14]

MEIN R G, FARRELL D A. Determination of Wetting Front Suction in the Green-Ampt Equation [J]. Soil Science Society of America Journal, 1974,38: 872-876.
[15]

FREDLUND D G, MORGENSTERN N R, WIDGER R A. The Shear Strength of Unsaturated Soils [J]. Canadian Geotechnical Journal, 1978, 15(3): 313-321.