REVIEW ON CURRENT SITUATION OF SOIL STRUCTURAL CONSTITUTIVE MODELS

It is an important and complex task to construct soil constitutive model.Up to now,there are hundreds of soil constitutive models which have been provided by scholars in China and abroad.These models have been reviewed and documented in many literatures.However,because they were constructed and developed mainly on the basis of disturbed soils or sandy soils,these models are not able to describe the various nonlinear behavior induced by structural property of soil.Subsequently,the calculated results can greatly different with the results of tests performed in situ.Generally,natural soils have structural property.So it is necessary to construct soil constitutive models which can take account of the soil structural property.Some scholars have proposed soil constitutive models that can take account of structural property on the basis of all kinds of theories and methods,and have achieved satisfactory results.But up to now,there are few literatures to give a state of the art review on soil structural constitutive models.Therefore,the paper presents a review on thethe current situation of soil structural constitutive models,points out some issues in use of the soil structural constitutive models