Method and system for predicting absolute permeability coefficient of unsaturated soil

The invention discloses a method and system for predicting the absolute permeability coefficient of unsaturated soil, and the method comprises the steps: carrying out the data analysis and unified processing of at least two unsaturated relative permeability coefficient models, obtaining an unsaturated relative permeability coefficient unified model, and guaranteeing the reliability of the unsaturated relative permeability coefficient unified model; and then, on the basis of the air inlet suction value and the saturated permeability coefficient, carrying out further iteration processing on the unsaturated relative permeability coefficient unified model, constructing a quantitative relation model of the unsaturated soil absolute permeability coefficient, and rapidly obtaining the unsaturated absolute permeability coefficient of the to-be-tested soil material, so that the unsaturated hydraulic characteristic is accurately predicted. 本申请公开了一种非饱和土绝对渗透系数的预测方法和系统，该方法通过对至少两种非饱和相对渗透系数模型进行数据分析并进行统一处理，得到非饱和相对渗透系数统一模型，能够