Abstract
In respect to the rock-socketed piles, several empirical relationships are available for the estimation of limit socket friction and point resistance based on the unconfined compressive strength of intact rock. Since the rock-socketed piles are supported by the rock mass, it becomes necessary to consider the effect of discontinuities in addition to the intact rock properties. In this study, the effect of rock mass discontinuities is studied by considering Rock Quality Designation. The interpreted pile failure load determined using a non-linear hyperbolic method is used to back-calculate the empirical relationships for limit socket friction and point resistance based on the pile load tests database of 56 cases collected from the Mumbai region.
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