DFI Journal - The Journal of the Deep Foundations Institute

Volume 9, Issue 2, January 2015
DOI:

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Closure to the discussion of interpretation of augered cast-in-place pile capacity using static loading tests

A. W. Stuedlein, S. C. Reddy and T. M. Evans

Abstract


This closure addresses the comments made by the discussers to a previously published paper on the interpretation of failure loads from static loading tests on augered cast-in-place piles. In this closure, it is shown that there were no data or interpretation problems as postulated by the discussers. It is shown that: the ratio of elastic and initial compression slopes depends on the slenderness ration, the L2 capacity depends on the magnitude of displacement imposed, and the L2 capacity relative to the Davisson capacity is a function of the axial stiffness. This closure points to the important role of slenderness ratio (which serves as a proxy for axial stiffness) on the interpretation of failure loads.