Natural and thermomechanical stress field measurements at the " Rochers de Valabres " Pilot Site Laboratory

Abstract : The field experiment "VAL-STRESS3D", started in 2005 by INERIS, aims to characterize and study both in situ stress and continuous thermomechanical déformations within thé "Rochers de Valabres" rock slope, a Pilot Site Laboratory (PSL) prone to rockfalls. Firstly, in situ stress measurements were conducted along a profile from thé surface toward thé interior of thé slope. This was intended to quantify thé stress field and its heterogeneity acting in such a geological structure. Secondly, a set of full 3D strain cells and température gauges was installed in thé field around a large inclined superficial flagstone. This shallow température and strain instrumentation network was designed to measure thé cyclic thermal "loading - unloading" response of thé rock on a daily and seasonal basis.
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Conference papers
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Submitted on : Wednesday, April 2, 2014 - 3:46:39 PM
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  • HAL Id : ineris-00970276, version 1
  • INERIS : EN-2007-221

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Clémence Dunner, Cécile Clement, Pascal Bigarre, Véronique Merrien-Soukatchoff, Yann Gunzburger. Natural and thermomechanical stress field measurements at the " Rochers de Valabres " Pilot Site Laboratory. 11. Congress of the International Society for Rock Mechanics (ISRM 2007), Jul 2007, Lisbonne, Portugal. pp.69-72. ⟨ineris-00970276⟩

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