Based on the present research results, a method to establish the constitutive law for collapsible deformation is proposed by studding the collapsible loess in Lanzhou.

• 本文在对兰州地区湿陷性黄土的湿陷变形的研究，在已有研究成果的基础上，建议了一种建立黄土湿陷变形本构关系的方法。