Impact des mouvements de terrains sur les bâtis et les infrastructures

Abstract : The excavation and the collapse of underground cavities can induce the subsidence of the ground surface. The damages due to the subsidence may affect the structures and the infrastructures. The qualification of the level of potential damages is done without taking into account the soil-structure interaction. INERIS realizes today an important research program to study the effect of soil-structure interaction. Three research tools are adopted: in situ observation, physical and numerical modelling. INERIS has realized the concept and the construction of an important physical model for modelling the subsidence. A simple house was also constructed on the subsidence zone. The fi rst results of the physical modelling clearly show the influence of structures on the through subsidence shape. Thank to the numerical modelling, we know that the amplitude of the ground movement transmitted to the structure depends on their stiffness, it varies between 5 % and 100 % of the movement induced by underground cavities under greenfield conditions.
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  • HAL Id : ineris-01869257, version 1

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Marwan Alheib, Matthieu Caudron, Jean-Bernard Kazmierczak. Impact des mouvements de terrains sur les bâtis et les infrastructures. Rapport Scientifique INERIS, 2009, 2008-2009, pp.95-97. ⟨ineris-01869257⟩

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