Abstract

LUKER, I. Static pile capacity from the rapid test via the unloading-point method. J. S. Afr. Inst. Civ. Eng. [online]. 2021, vol.63, n.2, pp.19-26. ISSN 2309-8775.  http://dx.doi.org/10.17159/2309-8775/2021/v63n2a3.

Laboratory measurements were done of the end-bearing and side-shear stresses on small piles subjected to "static" and rapid load tests. Interpretation, by the unloading-point method, of the results of rapid tests were done to estimate what the behaviour under a static test would have been if it had been done instead. Comparisons were made of the estimated static test behaviour to the actual static test behaviour to determine empirical values of a factor to adjust estimates closer to actual static test results. The dependence of the empirical factor on soil type, the liquid limit of plastic soils and water content is shown.

Keywords : piles; load test; clays; dynamics; empiricism.

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