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Discussion of an instrumented screw pile load test and connected pile group load settlement behavior

Article type: Research Article

Authors: Van Impe, P.O. | Van Impe, W.F. | Seminck, L.

Affiliations: Visiting Professor University Ghent, Belgium | Past-President ISSMGE, Emeritus full professor University Ghent, Belgium | CEO of the GFS n.v. industries, Belgium

Note: [] Corresponding author: W.F. Van Impe, Past-President ISSMGE, Emeritus full professor University Ghent, Belgium. E-mail: William. [email protected]

Keywords: Screw pile, pile group, residual stress, group effect, pile load testing

DOI: 10.3233/JGS-130011

Journal: Journal of Geo-Engineering Sciences, vol. 1, no. 1, pp. 13-36, 2013

Published: 2013
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Abstract

The aim of the paper is to discuss a fully instrumented screw pile load test up to failure, in difficult heterogeneous soil conditions along the shaft. The pre-stressing of the pile during its installation process has been brought to attention as an important item to assisting in explaining the differences in pile capacity and load settlement curve on the one hand, and the data as registered from the pile shaft instrumentation. In the second part of the paper, starting info on the registered load settlement data of the foundation slabs of each of the three, closely positioned, oil tanks of 48 m diameter and 19 m of height are shared and briefly analyzed.