Prediction of Settlement of Single Piles in Clay

by Timothy B. Aschenbrener, Univ of Texas at Austin, Dep of, Civil Engineering, Austin, TX, USA,
Roy E. Olson, Univ of Texas at Austin, Dep of, Civil Engineering, Austin, TX, USA,



Document Type: Proceeding Paper

Part of: Analysis and Design of Pile Foundations

Abstract: Analyses by trial were used to fit theoretical load-settlement curves to measured curves for driven piles. For the elastic method, analyses of load tests indicated that designers should use E/c//u equals 750 for analyses in the working stress range and set limits on the local side shear in accord with the best currently available method for analysis of capacity. For the load-transfer method, the scatter in data was such that a simple bilinear relationship was selected (elastro-plastic response). The best fits occurred when the tip settlement at failure was about one percent of the tip diameter and the side shear was fully developed at a movement of about 0. 1 inch.

Subject Headings: Soil settlement | Elastic analysis | Stress analysis | Pile settlement | Load tests | Load factors | Curvature | Load bearing capacity

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