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Keywords: experiment
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Proceedings Papers
Permeability Change of Granite Fracture due to the Pressurized Water Injection Under High Stress Condition in Laboratory
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Paper presented at the 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, December 1–4, 2019
Paper Number: ISRM-YSRM-2019-011
.... Although it is important to explore the mechanical and hydraulic coupling of rock fracture/fracture network during hydraulic shearing, the laboratory experiments for exploring such coupling are very limited (Ye and Ghassemi, 2018; Ishibashi et al., 2018). This study presents the experimental results those...
Proceedings Papers
Mineralogy-Controlled Frictional and Stability Properties of Longmaxi Shale: Implications for Hydraulic Fracturing Induced Seismicity
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Paper presented at the 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, December 1–4, 2019
Paper Number: ISRM-YSRM-2019-007
... and stability properties of Longmaxi shale to provide insights into the causal mechanisms of induced seismicity and their geological and structural controls. Rock samples from a geological section spanning ~150 m were powdered for friction experiments at recreated in-situ stresses and temperatures. Experimental...
Proceedings Papers
Comparison of FEM-Based 3-D Dynamic Fracturing Simulations Using Intrinsic and Extrinsic Cohesive Zone Models
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Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-026
... the experimental data obtained from the dynamic spalling test for rocks. Using the same Young s modulus, Poisson s ratio, density and strengths estimated from the experiments, our results suggest that the outcome of the ICZM and experiment showed large discrepancy especially for the intact stress wave propagation...
Proceedings Papers
KURT (KAERI Underground Research Tunnel) and its Importance to the HLW Management Program in Korea
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Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-032
... of 551 m and six research modules. The maximum depth of the tunnel is about 120 m from the surface. The host rock is granite, which is considered as a potential host rock type for HLW disposal repository in Korea. Various in-situ tests and experiments have been carried out since 2007, and tracer test...
Proceedings Papers
Rock Mass Failure of Foliated Rock at the Nuclear Waste Disposal Site in Olkiluoto, Western Finland
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Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-035
... analyses. The rock mass strength of the nuclear waste disposal site in Olkiluoto, Western Finland, was researched as a part of Posiva s Spalling Experiment (POSE). The POSE experiment was conducted as an in situ rock mass strength test that revealed the rock mass failure in Olkiluoto being governed...
Proceedings Papers
Experimental Study on Different Forms of Fiber Bragg Grating Sensors Detecting for Rock Model Test
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-002
..., which is formed by pasting the gratings to a copper 10 (a)Acetate ethylene plastic ensor Figure 1. Fiber Bragg grating sensors. substrate and has a length of 40 mm and a width of !Omm. 3 EXPERIMENTAL PROCEDURES 3.1 Construction of models Figure 2 shows the model in this experiment. These overlying...
Proceedings Papers
Laboratory Studies of the Mechanisms Preparation of Brittle Rock Samples Failure
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-028
... and development of dissipative mesodefects structures in rock samples under uniaxial compression were determined as a result of complex deformation and acoustic experiments at final stage of loading. Study of acoustic emission in rock samples under at final stage of loading were carried out with the release...
Proceedings Papers
A Creep Constitutive Model of Fractured Rocks Under Consideration of the Surface Roughness
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-018
.... eta!. 2008. Experimental study of shear rheo- logical property of silty mudstone. Journal of China Three Gorges University (Natural Sciences) 30(4): 43-46. Griggs, D.T. 1939. Creep of rocks. Journal of Geology 47:225-251. Ito H & Sasajima S. 1987. A ten year creep experiment on small rock specimens...
Proceedings Papers
Analysis of the Constitutive Model of Gaomiaozi Bentonite Based on the Experiments About Elastic-Plastic Mechanical Feature
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-034
... model and the relative experiments. In addition, a numerical simulation using ABAQUS is carried out to verify the validity of the suitable constitutive model, i.e. Cam-Clay model, and the rationality of the values of the parameters. Thus this research contributes a lot to the further study about...
Proceedings Papers
An Investigation of Salt Rock Creeping Mechanics Under Oil-Based Mud
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-019
...) employed statistics analysis on experimental data obtained from the salt rock experiments of Gulf of Mexico. Fuenkajorn (2010) analyzed the changes of Young's modules, and Poison's ratio on salt rock under repeated load and unload procedures. Popp (2000) investigated the changes of rock's permeability...
Proceedings Papers
Thermo-Hydro-Mechanical Behavior of Compacted GMZ Bentonite
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-074
...,102umn byhey fF g 21 (Pacovsky et a!. 2007). The experimental results and achievements obtained from these large-scale experiments provide important references on inves- tigating the behaviors of bentonite under simula- tive HLW disposal conditions. In China a comprehensive investigation has been...
Proceedings Papers
Study on the Failure Process of Marble Using Maximum Entropy Theory
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-044
... be obtained from experiment. N, is the total quantity of experimental data of compaction stage. A,; (i = 0, 1, 2, 3, 4) are achieved from Equation 3,4 through numerical calculation. The relation between stress and strain in compac- tion stage is (5) where ac is the stress corresponding to the com- paction...
Proceedings Papers
Safety Research on Dumping Rocks Along the Collapse Pit of Gong-Chang-Ling Iron Mine
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-128
... metals & mining side wall granular flow waste rock particle size granular media collapse pit similar experiment rock fragmentation experiment span ratio rock block University ore experimental result Safety Research particle hazard size experiment dispersion ABSTRACT...
Proceedings Papers
Experimental Research on Damage Characterization of Porous Rock-Like Composite Material Under External Loadings
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-015
... with the AE monitoring at a Loading rate of 5xl0-2mm/s. The principle of the experiment 3 EXPERIMENTAL RESULT ANALYSIS 3.1 Stress-strain relation In all rock-coal sample experiments, characteristics of deformation under pressure were substantially similar. Evolution of stress-strain stages included four...
Proceedings Papers
Experiment Study on Bearing Capability of Bolt Arched Pallet
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-129
... Experiment result analysis The experimental curves in Figure 3 showed that the pallet bearing capacity increased linearly with its growing arch height and steel plate thickness. Pallets' arch height of each group became signifi- cantly low after loading, there was some difference of the arch bearing capacity...
Proceedings Papers
Back Analysis of Rock Parameters Based on Neural Network and FLAC
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-050
... of study are rock and soil mass which are not homogeneous at all, it is a composite geologic body including joint, crack and faults. Artificial Intelligence Chinese Journal machine learning Upstream Oil & Gas rock parameter Reservoir Characterization Excavate back analysis experiment...
Proceedings Papers
Study on Experiment of Breaking Law of Overlying Strata and Disaster Characteristics in Large Mining Height Stope
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-140
... high mining work face. 2 EXPERIMENTAL 2.1 Experimental installation The experiment used to CM500 type plane stress model installation, size of model is 5.0 m x 0.2 m x 1.5 m, system of test and collect consist of static strain gauge, data line, pressure Table l. Ration project of similar material. box...
Proceedings Papers
Simulation of Coupled THM Processes in Opalinus Clay with an EPCA 3D
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Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-072
...-plastic cellular automaton experiment MPa experimental data heater coefficient matrix Simulation THM process boundary opalinus clay production control structural geology pore pressure evolution epca 30 cellular automaton evolution bedding plane TransitDevelopment RockMechanics Cai...