The influence mechanism of soil ESP on soil cohesive force is complicated and its effect decreases with the increase of soil water content.

• 土壤内摩擦角随着土壤含水率的增加而线性减小。 土壤碱度对土壤黏聚力的影响机理较为复杂,其影响效果随土壤含水率的增加而减小;