Load Transfer for Axially Loaded Piles in Clay

by Harry M. Coyle,
Lymon C. Reese,


Serial Information: Journal of the Soil Mechanics and Foundations Division, 1966, Vol. 92, Issue 2, Pg. 1-26


Document Type: Journal Paper

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Abstract: An analytical method for developing a theoretical load-settlement curve for axially loaded piles in clay is presented. The method is based on the correlation of the ratio of load transfer to soil shear strength as a function of pile movement. The results of studies of field tests of instrumented piles and laboratory tests of small piles in clay are used to obtain the desired correlation. The correlation is presented in the form of a family of curves that are obtained when the ratios of load transfer to soil shear strength versus pile movement are plotted as a function of depth. The validity of the family of correlation curves is checked by comparing computed and actual load-settlement curves for some typical field tests. Results obtained by this method indicate that the method may be used effectively to determine load-carrying capacity for axially loaded piles in clay.

Subject Headings: Axial loads | Load transfer | Piles | Field tests | Curvature | Clays | Correlation | Soil strength

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