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Upper bound limit analysis of collapse shape for circular tunnel subjected to pore pressure based on the Hoek–Brown failure criterion

Geotechnical EngineeringPore StructureEngineeringCircular TunnelMechanicsMechanical EngineeringTunnelingHoek–brown Failure CriterionGeomechanicsPorosityCollapse ShapePorous BodyMechanics Of Materials