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Title: Shallow chalk quarry stability using an original shear strength reduction approach
Authors: Rafeh, Faten 
Mroueh, Hussein
Burlon, Sébastien
Affiliations: Department of Civil Engineering and Construction 
Keywords: Failure mechanisms
Numerical modelling
Degradation approach
Shear strength reduction
Subjects: Joints
Issue Date: 2019
Part of: Journal of computers and geotechnics
Volume: 112
Start page: 60
End page: 71
Unexploited underground quarries may represent a potential hazard for the surrounding urban environment. In this context, this work presents a stability study of quarries in North France. A shear non-uniform non-homogeneous degradation approach is proposed for the stability study. The presence of joints in the chalk continuum is considered by using an anisotropic plasticity model accounting for the accumulation of permanent strains along these joints. Stability analysis using proposed degradation approach is performed and compared with the conventional shear strength reduction approach. The comparison shows that the proposed degradation approach might be an alternative to conventional shear strength reduction approach.
DOI: 10.1016/j.compgeo.2019.04.004
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Civil Engineering and Construction

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