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Researches on Soil Deformations in Foundation Pit Excavation by Triaxial Unloading Path Test

Huawei Tong

Abstract

Following the characteristics of foundation pit excavation,the triaxial apparatus control procedure was changed and the soil lateral unloading was simulated just like foundation pit excavation.Taking a project as an example and doing finite element analysis by using unloading indexes,the analytic results which use unloading indexes agree well with the measure data.

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Available abstract

Key concepts: Excavation, Foundation (evidence), Geotechnical engineering, Triaxial shear test, Stress path, Finite element method, Engineering, Geology