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Communication Dans Un Congrès Année : 2010

Influence factors study of cone loading test in the centrifuge

Résumé

The Cone Loading Test is a simple and easy to use test, performed with standard CPTU testing equipment and consists of stopping the penetration at a desired level and loading the cone by successive steps up to ground failure. The obtained loading curves connect the three measurements made in the electronic cone : tip resistance, sleeve friction and pore water pressure to the settlement of the cone. Physical modelling of Cone Loading Test with the LCPC centrifuge attempted to investigate the influence of the penetration or loading rate, cone geometry, embedment, soil unit weight and scale effect on the stress-strain relationship deduced from the test. The main objective of this research is to characterize the influence of these factors on the approach used to derive Young's modulus. To achieve this objective, a parametric study where the parameters were varied in their respective range, allows establishing the influence factors governing this relationship. After a short description of the test principle, this paper will summarize the testing program and enlighten the main results of Cone Loading Tests realized in geotechnical centrifuge on Fontainebleau sand.

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Dates et versions

hal-00508838 , version 1 (06-08-2010)

Identifiants

  • HAL Id : hal-00508838 , version 1

Citer

Luc Thorel, Hassan Ali, Philippe Reiffsteck, C. Gaudin. Influence factors study of cone loading test in the centrifuge. CPT10: 2nd International Symposium on Cone Penetration Testing, May 2010, France. ⟨hal-00508838⟩
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