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Keywords: roadway
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-096
... material parameters, the distribution of potential cracks and the failure criteria for the real and potential joints. Finally, two sets of numerical analyses are made to verify its effectiveness in approximately simulating continuum and the cracking process. 1 INTRODUCTION After the excavation of roadways...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-155
... of surrounding rock stress and deformation in test roadways with different coal pillar width (10 m & 20 m) 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...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-159
... injection seam shot hole mined-out area segment pre-blasting sublevel complexity University mechanics roadway workface thick coal seam ISRM-Sponsored International Symposium on Rock Mechanics: Rock Characterisation, Modelling and Engineering Design Methods 1 RACT Application of segment pre...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-026
... mining areas. Based on the field data, the stress variation law with buried depth, and the relation between the specific values of the mean horizontal principal stresses to the vertical stresses and buried depth were analyzed. The in-situ stress measurement results were applied in roadway supporting...

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