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Keywords: experiment
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Proceedings Papers
Test and Numerical Simulation Study of Limestone Crack Seepage-Stress Coupling with High Seepage Pressure
Available to Purchase
Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-049
... is proportional to gap width (Zhou et al, 2007). The actual rock fracture surface has a degree of roughness and fluctuation. Through a lot of experiments, Barton, Witherspon et al (1980, 1985) corrected the fracture gap width based on the principle of equivalent of seepage flow. Zhou C.B. et al (2008) proposed...
Proceedings Papers
Finite-Element Modeling of Fracturing Tests: Effect of Rock Heterogeneity
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-060
... method (XFEM). One possible research path to pursue in future might be using XFEM to reproduce the results of the experiments, hybrid FEM/DEM models and the models with cohesive elements. Another interesting research subject is further experimental examination of the role of heterogeneity...
Proceedings Papers
Study on the Lateral Strain Response for Determining Crack Initiation in Compression Tests on Low-Porosity Rocks
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-021
... a good applicability in deter- mining the feasibility of low-porosity rocks crack initiation. 2) The crack initiation can be determined by the LSR method without the acoustic emission experiments, Figure 8. The LSR method to determine the crack initiation. the LSR method simplifies the experimental pro...
Proceedings Papers
Demonstration of Coupled Models and Their Validation against Experiment: The Current Phase DECOVALEX 2015
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-066
... Abstract The DECOVALEX Project (DEmonstration of COupled models and their VALidation against EXperiment) has been operating since 1992 with the objective of developing thermo-hydro-mechanical coupled computer modelling in order to provide the necessary support for the design of underground...
Proceedings Papers
An Experimental Study on the Propagation Behavior of Filled Offset Cracks and Preliminary Findings
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-028
... Thickness experiment experimental study propagation path original crack anti-wing crack crack propagation path Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00057-5 An experimental study...
Proceedings Papers
Experimental Investigations on Creep Behavior of Bedding Anisotropy Greenschist
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-008
... Characterization Engineering experiment greenschist Upstream Oil & Gas compressive test biaxial compression increment structural geology loading stress level experimental investigation loading stress creep behavior compression stress level uniaxial compression bedding plane Rock...
Proceedings Papers
Thermo-Hydro-Mechanical-Chemical Processes in Fractured Rock
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-005
... since five years. Searching the Web-of-Knowledge provides 43 ISI publications on DECOVALEX (accessed on 21.03.2013) showing the deep scientific impact of this community project so far. All models are useless if they are not related to experimental work and data. Experiments dealing with THMC processes...
Proceedings Papers
Study on Mechanism of Exploiting Coal-Bed Methane Injected by Carbon Dioxide or Nitrogen
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-144
... Abstract This paper mainly focuses on how to improve exploitation rate of coal bed methane (CBM) was presented in the paper. To enhance efficiency of exploitation of coal bed methane, the carbon dioxide or nitrogen gases were injected in the coal bed in the experiments. The injection...
Proceedings Papers
Features of Break and Dynamic Mechanics of Induction Caving Impact to Caking Mine Mass
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-159
... the caking ore (HU J.H. et al, 2007). touchdown angle different combine weak structure central south university Upstream Oil & Gas strength experiment ore body lateral fan blast hole south university relation Wellbore Design induction ore Engineering tensile strength dynamic...
Proceedings Papers
Large-Three-Dimensional Physical Simulation Experiments on a High and Steep Slope Stability of Open-Pit Mines
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-072
... Abstract Physical simulation experiments offer a powerful method to explore influence of plastic flow, material failure and hybrid monitoring in a high and steep slope of open-pit mines composed with discontinuous rocks. We adopted an experimental setup using a stiff modular applied static...
Proceedings Papers
Measurement and Real-Time Visual Presentation of Ground Deformation Ahead of Mountain Tunneling Face using Optical Fibers
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-131
... is cut as needed during excavation. The paper presents some laboratory experiments to demonstrate the applicability of this scheme. By doing this, it is found possible to monitor the ground deformation by the proposed sensor. Finally, some work in future is discussed briefly. 1 Introduction...
Proceedings Papers
Experimental And Numerical Investigation On Crack Propagation In Bi-materials of Marble And Concrete
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-030
... and the bi-materials specimens and studies how a center inclined crack in weak medium concrete can grow into strong medium marble by the experimental observation?finite element method calculation and theoretical analysis. 2 BI-MATERIALS FRACTURE EXPERIMENT 2.1 Specimen preparation In this paper as Figure 1...
Proceedings Papers
The Influence of Temperature On Mode II Fracture Toughness Using the Punch-Through Shear With Confining Pressure Experiment
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-041
... studies have dealt so far with the influence of temperature on Mode I (tensile) fracture toughness, but there is little to no data available on K II C . The temperature was varied between 25°C to 250°C and experiments were carried out on a fine-grained granite. Experimental data suggests that KIIC...
Proceedings Papers
On the Coupling Relationship Between Strain Field And IRR Temperature Field of Rock
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-063
.... For the convenience of experimental data processing and the comparative analysis on stress, strain and thermal IRR, the start-recording moment as well as the recording rate of the thermal imaging system, the digital camera and the loading system was set to be the same, one data per second. 3 EXPERIMENT RESULTS 3.1...
Proceedings Papers
The DECOVALEX Coupled Modelling Project: Past, Present And Future
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-180
... of COupled Models and their VALidation against EXperiment) aims at developing the appropriate characterisation and modelling capability in the context of radioactive waste repository design plus the associated performance and safety assessments. The DECOVALEX Project has been in operation since 1992...
Proceedings Papers
An Experimental Study On Acoustic Emission Characteristics of Coal Specimens' Fracturing Process Under Different Stress Paths
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-016
... acoustic emission experiment uniaxial compression stress path Reservoir Characterization coal specimen general uniaxial compression AE count different stress path structural geology triaxial compression pressure reduction compression triaxial cylinder Upstream Oil & Gas AE...
Proceedings Papers
Experiment On the Crack-Electrical Resistance Variation With Compressive Stress of Siliceous-Lime Marble
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-012
... ABSTRACT This paper reports the experiment of compressive process for siliceous-lime marble containing NaCl solution. Two electrodes of copper powder gelatin were fixed on the surface of siliceous- lime marble sample and by means of electric conductivity character of crack or pore water...
Proceedings Papers
Interdisciplinary And International Deep Underground Science, Engineering And Technology Laboratories
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-172
... experimentation in the service of a broader future program on important science. Often some earth science and applied technology studies might not require extended occupancy for completion of the experimental program envisioned. Some experiments do not necessarily require the full facilities of various campuses...
Proceedings Papers
Hydraulic Characterisation And Conceptual Modelling of the Excavation Disturbed Zone (EDZ)
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-177
... and S tunnels at the 450-m level of the HRL. 3 TUNNEL EXCAVATIONS. Both the Q and S tunnels were excavated with the drill and blast method (D&B). The Q-tunnel was excavated in 2003. The tunnel was designed with an unusual shape, primarily because of an experimental need to concentrate ABSTRACT...