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Three strengths are usually considered for a material: compressive strength, tensile strength, and shear strength. The shear strength is what controls the ultimate loads in geotechnical engineering projects. The stress‐strain curve of a soil depends on a number of factors, including the soil stress history, the current stress level, the structure of the soil, and others. There are many ways to determine the effective stress shear strength parameters of soils. In the laboratory, the most common tests are the unconsolidated undrained triaxial test, the consolidated undrained triaxial test, the unconsolidated undrained direct shear test, and so on. In situ tests can also be used to obtain the shear strength of soils. The most direct tests are the vane shear test and the borehole shear test. The undrained shear strength for unsaturated soils is obtained by shearing the soil while preventing any drainage of air or water during the test.
Three strengths are usually considered for a material: compressive strength, tensile strength, and shear strength. The shear strength is what controls the ultimate loads in geotechnical engineering projects. The stress‐strain curve of a soil depends on a number of factors, including the soil stress history, the current stress level, the structure of the soil, and others. There are many ways to determine the effective stress shear strength parameters of soils. In the laboratory, the most common tests are the unconsolidated undrained triaxial test, the consolidated undrained triaxial test, the unconsolidated undrained direct shear test, and so on. In situ tests can also be used to obtain the shear strength of soils. The most direct tests are the vane shear test and the borehole shear test. The undrained shear strength for unsaturated soils is obtained by shearing the soil while preventing any drainage of air or water during the test.
Shear Strength Properties
Briaud, Jean‐Louis (author)
Geotechnical Engineering ; 485-510
2023-07-19
26 pages
Article/Chapter (Book)
Electronic Resource
English
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