Consolidation Theory with Stress Reduction Due to Settlement

by Mohsen M. Baligh, Assoc. Prof. of Civ. Engrg.; Massachusetts Inst. of Tech., Cambridge, Mass.,
Nadim F. Fuleihan, (A.M.ASCE), Project Mgr.; Ardaman and Assoc., Inc., Orlando, Fla.,

Serial Information: Journal of the Geotechnical Engineering Division, 1978, Vol. 104, Issue 5, Pg. 519-534

Document Type: Journal Paper


A one-dimensional linear theory of primary consolidation that accounts for the reduction in stresses caused by the settlement of a clay layer is formulated. A solution to the resulting integro-differential equation is obtained by means of the perturbation method. Deviations from Terzaghi's theory due to changes in stresses caused by settlements are shown to increase with the compressibility of the clay layer and, therefore, become important in deep soft clay deposits. The resulting stress changes affect the final settlement, the excess pore-water pressures, and the rate of settlement.

Subject Headings: Clays | Soil stress | Soil compression | Soil settlement | Consolidated soils | Layered soils | Soft soils | Linear functions

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