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Keywords: strength
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Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-003
... loads. The two new case studies not only verified the significance of above factors but also reemphasized the significance of in-situ coal strength in increasing propensity for violent failure. Keywords; Rock Burst, Multiple Variable Regression, Geotechnical Monitoring, Rigidity/Cavability 1...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-013
... Reservoir Characterization Modeling & Simulation testing sample compressive strength production monitoring Upstream Oil & Gas friction effect radial inertia effect rock sample Reservoir Surveillance strength SHPB test split Hopkinson pressure bar production control...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-038
... in mining and tunneling. Raise Boring Machine (RBM) is one of the mechanical excavation machines that commonly used in mine and tunnel projects for excavation of shafts. This study aimed to analyze the effect of intact rock properties (uniaxial compressive strength and indirect tensile strength) and RQD...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-029
... test, which allowed calculating the main elastic and peak and residual strength parameters. Experimental results of the dilation angle (which showed its dependence on confining stress and plastic parameter) were fit to available mobilized dilation angle models. Trying to explore the scale effect...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-009
... reports have described the rocks qualitatively as water-bearing with highly conductive features. In practice claims have arisen regarding expectations of strength and conductivity and these are difficult to resolve in the absence of an adequate data base. The Series includes diverse rock materials...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-049
... (corresponding author s E-mail) Abstract Since its development, the grain-based model (GBM) has been demonstrated to be capable to capture the strength and deformation behavior and the micro-cracking process under different loading conditions. In the GBM, individual grains resemble the actual constituent...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-005
...Assessment of Hard Rock Strength Degradation Under High Stress Condition F.Y. Hsiaoa*, C.C. Lina and T.T. Wangb a Sinotech Engineering Consultant, Inc., Taipei, Taiwan b Taiwan University, Taipei, Taiwan * fuyuan@sinotech.org.tw Abstract Tunneling depth is gradually increasing around the world due...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-040
... of the coal such as Young's modulus, fracture energy, cohesive strength, friction angle, uniaxial compression and shear strength. Further, these properties were carefully calibrated prior to being taken as input arguments in the continuous-discontinuous modelling. All the simulating results were basically...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-045
... drilling, if the formation strength is weak or subjected to strong in-situ stress, it is prone to instability and cause drilling complex problems. According to the reservoir core mechanics experimental results and geo-mechanical data of some low permeability oil and gas fields in western South China Sea...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-041
... natural gas storage modeling asian rock mechanics symposium 29 PFC Modeling strength particle interface Upstream Oil & Gas rock salt heat transfer contact model smooth-joint contact model isrm international symposium rock specimen salt rock Abstract During circular...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-036
... and an escalation of budget. Therefore, it is essential to understand the rock mass conditions around a shaft before or during excavation. In this study, an estimation method of rock strength from the excavation data of a tunnel boring machine (TBM) was applied to the shaft excavation with a raise boring machine...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-007
... Abstract The tensile strength of rock is an important property of rock engineering. However, the measurement of tensile strength of rock is often overlooked due to difficulties of specimen preparation and accuracy of testing result. This study adopted the pull-off test to measure the foliation...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-017
..., applicability of the chemical grouting of sodium silicate chemicals in Indonesia is discussed from the aspects of its functions. In this study, the chemical grouts were injected into the samples of Indonesian sands. After solidification of the chemical grouts, permeability and strength of the samples have been...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-093
... to the fibres network. Furthermore, the different ways to check the energy absorption and residual strength are often less well known, and lead to confusion. The European standard EN 14487–1 mentions the different ways of specifying the ductility of fibre reinforced sprayed concrete in terms of residual...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-098
... Wellbore Design normal stress asian rock mechanics symposium 29 wellbore integrity strength rock joint shear test rock mass reservoir simulation Thickness numerical simulation shear strength Reservoir Characterization Upstream Oil & Gas isrm international symposium double...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-069
... to deform to resist high ground pressure has been in progress. overburden isrm international symposium asian rock mechanics symposium 29 Mortar metals & mining deformation-controlled rock bolt load-displacement curve tunnel strength rock bolt weak ground ground pressure Reservoir...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-128
... Abstract The bedding interface has a significant influence on the mechanical properties of layered rock. However, the mechanism of this influence on rock strength and failure characteristics under true triaxial stress, is not yet understood. In this study, the numerical simulation is applied to investigate...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-060
... method. There are several analysis methods which can consider discontinuity of rocks. But no one other than the Multiple Yield Model (MYM) cannot consider both strength anisotropy and deformation anisotropy. In this article the applicability of the MYM to the pelitic schist was examined by laboratory...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-198
... reservoir geomechanics heterogeneity numerical simulation loading Reservoir Characterization strength direct tensile test asian rock mechanics symposium 29 Upstream Oil & Gas isrm international symposium compression test numerical model hydraulic fracturing Brazilian test...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-090
... are a feasible and reliable way to dispose of spent nuclear fuel, and the mechanical and thermal properties of the host rock are key factors in their long-term safety. The mechanical properties of rock, including uniaxial compressive strength, tension strength and elastic modulus are thermally-dependent...

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