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Keywords: calculation
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Proceedings Papers
Geomechanical Analysis of the Integrity of Waste Disposal Areas in the Morsleben Repository
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-058
... barrier in the southern, eastern and western parts in terms of stresses and dilatancy of the salt rock, numerous geomechanical finite-element calculations were performed taking into account the specific geological situation and mining geometry, as well as location-specific material parameters. The barrier...
Proceedings Papers
Dynamic Analysis of Sliding Velocity of Landslide in Reservoir Based on Discrete Element Method
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-069
... Abstract Prediction of landslide surge in reservoir lies in the calculation of sliding velocity. For the present, the application of formula commonly used for predicting sliding velocity in projects has been limited within a certain range in that both the complicated influencing factors...
Proceedings Papers
Study on the Rule of Roof Moment and Surface Subsidence About Shallow-Buried Coal Seam under Thin Base Rock
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-090
... level is 1466.0~1537.0 m, working face level is 1383.6~1402.3 m, the average depth is 85 m. The average thickness of surface loose layer is 30m, the average thickness of is 35 m. The thickness of the coal seam is about 6m. coalbed methane calculation boundary condition thin base rock coal...
Proceedings Papers
Combined Test Research on Coal-Rock Pillar Width Setting of District Sublevel for Fully-Mechanized Face with Large Mining Height
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-155
... width (10m & 20m) before and after the mining-induced influence by the workface. Combination of the above theoretical calculations, simulation and underground test results are considered to determine a reasonable width scope of district sublevel coal pillar design from 8.9 meters to 11.9 meters...
Proceedings Papers
Three-Dimensional Thermomechanical Modelling of High-Level Waste Emplacement in a Salt Dome
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-112
... of wastes. The first model deals with the emplacement in drifts located at the 860-m level. The second model considers the borehole disposal concept involving the emplacement of waste canisters in vertical boreholes. The calculations were performed for a time period of 10,000 years. The calculated stresses...
Proceedings Papers
New Technology for the Slope Seismic Design-The Embedded Anti-Slide Pile
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Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-153
... value, as well as the internal force distribution of the pile was analyzed. After the calculation and analysis of the particular slope, the result shows that: the embedded anti-slide pile not only can protect the slope under the static situation, but also can satisfy the requirements of the anti-seismic...
Proceedings Papers
Numerical Modeling of In-situ Stress Calculation Using Borehole Slotter Test
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-094
... ABSTRACT A stress calculation method was proposed for the new stress measurement technique using the borehole slotter device. The 2D borehole slotter is an instrument which is used in HQ boreholes (96–104 mm diameter), and allows calculation of 2D stress tensor in a plane normal...
Proceedings Papers
Effects of Pipe Umbrella Systems On the Stability of the Working Area In Weak Ground Tunneling
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-114
... Reservoir Characterization calculation pipe umbrella method construction Upstream Oil & Gas ground condition unexpected change section modulus pipe umbrella system stability weak ground tunnel spile numerical calculation unsupported span failure mechanism ABSTRACT Weak...
Proceedings Papers
Geomechanical Stability And Integrity of Radioactive Waste Repositories In Salt 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-2009-179
... geologic modeling reservoir geomechanics criterion waste management Upstream Oil & Gas geomechanical safety analysis geological modeling overburden calculation Reservoir Characterization dilatancy boundary jife code three-dimensional structure dilatancy geomechanical model...
Proceedings Papers
Geo Stress Study of Jinping II Hydropower Station Region Considering Historical Tectonic Process
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-080
... stress ispresented,whichintegratesthestratadenudationsimulation,numericalelasto-plastic calculation and neural networkinversion. The methodtakesthe geo structure order processinto accountbyelasto-plasticcalculationandsimulatesthestratadenudationprocessbysurface excavation. The method includes several...
Proceedings Papers
Response of Some Lined Tunnels Within Original HB And Equivalent MC Rock Masses
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-095
..., to calculate the equivalent MC rock mass strength parameters for axisymmetric tunnels in plastic or brittle rock. These are shortly described in the following. 2 BACKGROUND Brittle behavior of the rock mass is represented with a sudden drop in its strength parameters after failure, ABSTRACT The responses...
Proceedings Papers
Numerical Modeling of the Long Term Mechanical Behaviour of Underground Storages
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-187
... mechanical behaviour waste package long term mechanical behaviour host rock equation well integrity calculation experimental investigation plastic strain numerical modeling ABSTRACT In this paper, a storage cell for the high level radioactive wastes is studied in order to identify...
Proceedings Papers
Artificial Neural Network- Based Feedback Analysis of the Caverns Excavation of Underground Hydropower Plants
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-125
... of displacement or stress of surrounding rocks by measuring; calculate the excavation process using numerical model, adjust the material parameters until the calculation results are consist with the measured data; then calculate the next process, predict the variety of deformation and stress of rocks; forecast...
Proceedings Papers
A Parallel Procedure For 3D Rock Failure Process Analysis
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-126
... calculation iterative solver procedure Wellbore Design Rock mechanics processor Failure analysis Upstream Oil & Gas parallel procedure Parallel Computation speedup rock failure process analysis Computation data transmission solver module computer algorithm ISRM-Sponsored...
Proceedings Papers
Calculation of the Shotcrete Utilization For Lining With Integrated Yielding Elements
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-162
... displacement shotcrete utilization loading Upstream Oil & Gas shotcrete lining tunnel shotcrete stress distribution strength measurement Point boundary shotcrete shell deformation force equilibrium calculation lining monitoring point tangential displacement University...
Proceedings Papers
Pressures Exerted By Fractured Rock Mass On Retaining Walls: Non Associative And Non Linear Failure Criterion.
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-103
... equilibrium calculation dilatancy angle Hoek fractured rock mass Upstream Oil & Gas non-dimensional pressure Serrano coefficient non associative strength tanδ tanω Olalla expression constant dilatancy angle criterion failure criterion non linear failure criterion equation...