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Sensitivity Analysis of the Influences of Rock Mechanical Parameters on the Deformation of Underground Caverns
The Main factors affecting the stability of underground caverns are selected, including the rock mechanical parameters (elastic modulus, Poisson ratio, cohesion and internal friction angle) and initial ground stress parameter (lateral pressure coefficient). Numerical test method is adopted to analyze each parameter’s sensitivity to surrounding rock displacement. Sensitivity formula making each values comparable is established. The sensitivity distribution laws are obtained, and then each parameter’s quantitative effect on displacement is discussed. This work has prominent guiding significance to engineering designs.
Sensitivity Analysis of the Influences of Rock Mechanical Parameters on the Deformation of Underground Caverns
The Main factors affecting the stability of underground caverns are selected, including the rock mechanical parameters (elastic modulus, Poisson ratio, cohesion and internal friction angle) and initial ground stress parameter (lateral pressure coefficient). Numerical test method is adopted to analyze each parameter’s sensitivity to surrounding rock displacement. Sensitivity formula making each values comparable is established. The sensitivity distribution laws are obtained, and then each parameter’s quantitative effect on displacement is discussed. This work has prominent guiding significance to engineering designs.
Sensitivity Analysis of the Influences of Rock Mechanical Parameters on the Deformation of Underground Caverns
Applied Mechanics and Materials ; 275-277 ; 262-268
2013-01-11
7 pages
Article (Journal)
Electronic Resource
English
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