Étude de stabilité de fontis au toit des carrières souterraines et traitements apportés aux conséquences induites en surface

Abstract : The objective of the thesis is to improve the methods used to forecast of the sinkhole risk We studied the mechanisms as well as the evolution of the collapse processes the covering. Work based on the analysis of the well documented cases. A pragmatic and operational methodology was developed, to predict the risk of subsidence. It includes: 1. a numerical approach reserved for complex or exposed cases (including presence of major works, faults, water, seismity or dynamic heads). It is also recommended to improve the analytical method; 2. an analytical approach improved based on the theory of beams, able to take into account the elastoplastic behaviour of the recovery, the faults propgations, stifness and the bedding plane opening A parametric studies were led to analyse the failure according to the density of beds at the roof, the mechanical properties, the state of stress and the rigidity of the worked seam, etc.
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Theses
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http://docnum.univ-lorraine.fr/prive/INPL_T_2004_ABBASS_FAYAD_A.pdf
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https://hal.univ-lorraine.fr/tel-01750006
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Submitted on : Thursday, March 29, 2018 - 12:35:45 PM
Last modification on : Monday, April 16, 2018 - 10:41:33 AM

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Atallah Abbass Fayad. Étude de stabilité de fontis au toit des carrières souterraines et traitements apportés aux conséquences induites en surface. Autre. Institut National Polytechnique de Lorraine, 2004. Français. ⟨NNT : 2004INPL035N⟩. ⟨tel-01750006⟩

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