Infiltration into decomposed granite soils; numerical modeling, applications and some laboratory observations

A. W. Jayawardena
J. J. Kaluarachchi


This paper describes the outcome of a study on rain infiltration into decoposed granite which is one of the two main types of soils found in Hong Kong. It consists of the development and verification of a finite element based numerical model which has general applicability for flow through unsaturated porous media, application of the model for predicting moisture movement in an artificial slope made out of reconstituted decomposed granite and some laboratory observations including the estimation of soil hydraulic parameters.