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Keywords: shear modulus
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Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-023
... stress. A controlling parameter of this mechanism is the ratio between the magnitude of compression and the overall shear modulus of the blocky rock mass before rotations. When the value of this parameter is equal to one, the critical fraction of rotating blocks causing the loss of stability is zero...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-294
... in practice. 4.1 Critical shear strain To fill this requirement, sakurai et al(1993b) proposed critical shear strain y", which is defined as; , 'T: Y " G where 'T:c : shear strength G : shear modulus 100 -0-10 C 'c:l b en en c; .1 u~ "i:" U .01 .01 .1 1 10 100 Shear modulus (G) 1000 10000100000 (MPa...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-303
... lateral extent, approaches zero, the local strain change approaches uniaxial plus the imposed far field (regional) strain. The approach to uniaxial strain with decreasing aspect ratio is slower if the shear modulus of the inhomogeneity exceeds that of the surrounding material. Depletion or withdrawal...
Proceedings Papers

Paper presented at the 8th ISRM Congress, September 25–29, 1995
Paper Number: ISRM-8CONGRESS-1995-059
... wave velocity measurement strain level impulsive loading test structural geology cyclic loading test shear modulus suspension ps Reservoir Characterization defonnation characteristic deformation modulus triaxial compression test relation loading test plate loading test agreement soft...
Proceedings Papers

Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-193
... deformation tests for shear modulus and damping ratio performed on ten kinds of rock materials, paying particular attention to the dependence of these two characteristics on the frequency, initial stress, and amplitude of strain. RESUME: Une machine d'essais cycliques à trois axes a ete developpee. Elle...
Proceedings Papers

Paper presented at the 4th ISRM Congress, September 2–8, 1979
Paper Number: ISRM-4CONGRESS-1979-093
... relation hisatake shear modulus surface settlement equation ground surface boundary condition surface displacement displacement creep function tunnel excavation settlement viscoelastic ground tunnel center line tunnel anisotropy shallow tunnel excavation initial stress...

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