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Keywords: mechanical parameter
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Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-048
...., Beijing, China Y.B. Li School of Civil and Environment Engineering, University of Science and Technology Beijing, Beijing, China ABSTRACT: In order to better solve granular flow program PFC2D, meso-mechanical parameters was select in the process of simulation calculation, based on PFC2D programs, in order...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-043
... between rock mechanical parameters in different unloading part and unloading quantity was established, thus parameter deteriorating Jaw of unloading rock mass was acquired. The results show that tunnel face and surrounding rock could be divided into three unloading parts as I, II, III along drift...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-053
... aw d 2 Thm iSc elO Th ersh tth11ighm sl b u8 fCOpi l r,anden d cod as sgrad l T m n·0 93wc aCO b i g3 92 1 b46 f C lpil aw dthhat3 5 pi ar2W6 68 o thebu m npres-u 2 p ll r645 b0 fl m -SU 15 8v n di ttthen reasf coalp lar Figure I. Numerical calculation model. Table I. Mechanical parameters...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-068
.... The mechanical parameters of the rock and ore body. Density Tensile Compressive Friction Elastic Poisson Terrace r strength cr strength cr Cohesion c angle rp modulus E ratio name (kN/m3) (MPa) (MPa) (MPa) (0) (GPa) )1. Rock 27 .00 0.11 6.19 2.535 39.29 9.122 0.26 Ore 36.40 0.21 12.47 2.500 40.00 9.770 0.23...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-094
... mechanical parameters, the shorter distance between the weak stratum and the crest of slope is, the bigger the factor of the safety is and the smaller of the instability area is. Therefore, using software to simulate the failure process of slopes before the engineering excavation, different measures...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-138
... value shear structure zone coulson dynamic stress drop macroseismic event spatial apparent stress geological structure parameter value rock mass mechanical parameter TransitDevelopmentinRockMechanics Cai,Yang WangrEd )@2015Taylor Fra cisG up L ndo ISBN978-7-138_02730-5heinf ue...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-084
.... Physical and mechanical parameter summary of burnt rock and sandstone for Laojunmiao open pit coal mine as shown in Table 3. By comparison with sandstone, mechanical properties of burnt rock change significantly after baked and burnt. Uniaxial compressive strength and elastic modulus all increase...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-036
... data mining production requirement sequence filling metals & mining lower stage gain time mined-out area horizontal cut upper stage thousand-meter depth only meet Orebody Chinese Journal upper mined-out area secondary stress mechanical parameter mining technology...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-130
... stability evaluation. I INTRODUCTION Slope stability analysis in open pit mines is always a long-term task accompanied with mining. As the development of mining, rock mass is unloaded and the mechanics parameters of rock mass changed with time. Thus, the characteristic of time-development of rock mass must...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-061
... or final result of structure evolution. damage evolution tensor stability evolution Upstream Oil & Gas mechanical parameter Simulation evolution rate irreversible time-dependent deformation time-dependent deformation non-equilibrium evolution Reservoir Characterization overstress...

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