Cavity Expansion in Sands with Curved Envelopes

by Mohsen M. Baligh, Asst. Prof. of Civ. Engrg.; Massachusetts Inst. of Tech., Cambridge, Mass.,

Serial Information: Journal of the Geotechnical Engineering Division, 1976, Vol. 102, Issue 11, Pg. 1131-1146

Document Type: Journal Paper


The effect of a curved Mohr-Coulomb failure envelope on the bearing capacity of deep foundations in sands is considered by obtaining solutions to expansion of cavity problems. An analytic expression for a curved envelope is introduced, compared with experimental results and then incorporated in a computer program, EXPAND, to evaluate the expansion pressures. The results are presented in the form of tables and graphs suitable for applications.

Subject Headings: Cavitation | Sandy soils | Curvature | Failure analysis | Load bearing capacity | Deep foundations | Computer analysis | Computer software

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