Influence of the time after construction on static load testing of pre-cast driven-in piles
Résumé
After the foundation piles have been installed in the ground, the increase of their load capacity may be observed, due to the dissipation of ground water pore pressures (reconsolidation of the soil) and the reestablishment of internal bindings around the pile. Hence, the norms and regulations recommend that the pile load capacity tests should be carried out from several to dozens days after the piles have been constructed. The article presents the test results for capacity tests performed before the norm-conditioned time limit, with reference to the soil types. The subject has been exemplified on the basis of foundation works in course of the construction of several road projects in Poland since 2004.
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