An Introduction to Soil Mechanics by Arnold Verruijt

Author:Arnold Verruijt
Language: eng
Format: epub, pdf
Publisher: Springer International Publishing, Cham

Solution

If it is assumed that the horizontal stress is at its lowest possible value, Eq. (22.2) applies. With and one now obtains .

If the knowledge of the low horizontal stress is ignored, and the test is interpreted in the classical way, using Eq. (22.1), the apparent value of the friction angle would follow from , i.e. , which is considerably lower than the value obtained in the triaxial test.

Reference G. De Josselin de Jong, The double sliding, free rotating model for granular assemblies. Géotechnique 20, 155–163 (1971)

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