Abstract
A static load test of a pile provides information about the pile bearing capacity. Nevertheless sometimes more precise information can be needed, e.g. what part of load applied to the pile is carried by its base and its shaft. Many kinds of bi-directional static tests offer the possibility of a separate investigation of the behaviour of pile base and shaft. In these tests, however, the shaft works in a different direction than in actual pile working conditions. In this paper, the authors focus on the results of a static load test on model piles, which make it possible to solely investigate the pile base capacity. The paper describes the construction of a test stand and the testing procedure, and presents the first results of the preformed tests.
Highlights
A static load test of a pile provides information about the pile bearing capacity
Results of the tests can be presented on a load-displacement chart, which forms the basis for the evaluation of a pile bearing capacity [2]
The results of the static load tests performed on laboratory scale using two different models of load transmission from the pile base are promising
Summary
A Static Load Test (SLT) is popularly considered the most reliable method of a pile testing [1]. In this test, the load is gradually applied to a pile head by means of hydraulic jack and the displacements of the pile head are measured according to applied load. Results of the tests can be presented on a load-displacement chart, which forms the basis for the evaluation of a pile bearing capacity [2]. The idea of evaluating separately the load capacity of a pile base and a pile shaft firstly appeared in Osterberg Test [3]. Full scale pile base capacity testing by means of standard SLT or bi-directional testing were presented in references [11, 12]
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