Design of driven piles in sand - Geotecnia de …

Randolph, M. F., Dolwin, J. & Beck, R. (1994). Gebtechnique 44, No. 3, 427-448 Design of driven piles in sand M. F. RANDOLPH,* J. DOLWINt and R. BECKf Estimation of the axial capacity of piles driven into sand involves considerable uncertainty, and Design rules are generally not consistent with the physical processes involved. This Paper reviews current understanding of the factors that determine the axial capacity of piles driven into sand , and out- lines a new framework for Design which takes account of the physical processes, is consistent with the existing database of load test results, and is sufficiently flexible to permit refinement as new data become available. It allows for the effects of confining stress on the frictional and compress- ibility characteristics of sand , and hence on end- bearing capacity. In keeping with field observations, shaft friction is assumed to degrade with driving of the pile past a particular location, from an initial maximum value linked to the local end-bearing capacity.

Randolph, M. F., Dolwin, J. & Beck, R. (1994).Gebtechnique 44, No. 3, 427-448 Design of driven piles in sand M. F. RANDOLPH,* J. DOLWINt and R. BECKf Estimation of ...

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