Research Article

Back Analysis of Geomechanical Parameters of Rock Masses Based on Seepage-Stress Coupled Analysis

Table 1

Parameters needed in the equivalent continuous coupled model.

Parameters of the seepage fieldParameters of the stress fieldCoupled model parametersPhysicomechanical parameters of the stratum

Permeability coefficients of different strata,, andDisplacements of structures or surrounding rocks , stresses of structures or surrounding rocks , and the lateral pressure coefficients of ground stresses andCoefficients of the coupled empirical relationshipGravityModulus of elasticityPoisson ratioCohesionInternal friction angle