DBPapers
DOI: 10.5593/SGEM2015/B12/S2.073

PRACTICAL ASPECTS OF TUBULAR PILE AXIAL CAPACITY TESTING

J. Rybak, M. Baca, T. Zyrek
Friday 7 August 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-32-2 / ISSN 1314-2704, June 18-24, 2015, Book1 Vol. 2, 549-554 pp

ABSTRACT
Tubular or combined piles were traditionally used as vertical soil support for deep excavations. A wide range of calculation methods were developed for this lateral direction of acting forces (earth pressures). In opposite, vertical equilibrium was usually considered only if the piles were designed for abutment or pillar foundation or in the case of temporary foundations in the water (in rivers). Contemporary design of closed end steel pile constructions covers also the vertical forces acting from the constructions based permanently or temporarily on tubular or combined piles.
According to Eurocode 7, the design of deep foundation should be, in general, based on load tests. Such test confirms directly the capacity of combined piles and, at the same moment, provides information about possible settlements (serviceability) of the construction foundation. A static test can be also used as a reference test for design methods or other testing methods like high-strain dynamic testing. Some examples of bi-directional axial testing of tubular steel pile are presented in that paper.

Keywords: steel pile, static load test, ultimate axial capacity