Civil Engineering Association

Analysis and Design of Drilled Shaft Foundations Socketed into Rock

It's the Final report of an Research Project :

Abstract :

A Comprehensive investigation has been made of the behavior of drilled shaft foundation shocked into rock. Methods of analysis have been presented to predict the ultimate capacity and the load displacement behavior under axial load (compression or uplift), lateral load or moment, and torsion. Simple approximate models have been developed which allow closed form predictions for all of these loading modes.. The models for axial loading have been used in the interpretation of 25 load tests from the literature to deduce the likely range of design parameters. Only two load tests were available for lateral load analysis, and no torsional load tests were available. More data are needed from these loading modes for model verification. A detailed design example also is included to illustrate the use of the design equations presented.

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