YU Minggao, WEI Beibei, ZHENG Kai. Effect of inert gas addition on syngas explosion[J]. Explosion And Shock Waves, 2019, 39(6): 065401. doi: 10.11883/bzycj-2018-0131
Citation: FEI Hong-Lu, YANG Wei-Feng, ZHANG Guo-Hui, HAO Wei-Dong. Surrounding rock stability of mined-out area under blast loading in metal mine pillar robbing[J]. Explosion And Shock Waves, 2013, 33(4): 344-350. doi: 10.11883/1001-1455(2013)04-0344-07

Surrounding rock stability of mined-out area under blast loading in metal mine pillar robbing

doi: 10.11883/1001-1455(2013)04-0344-07
Funds:

Supported by the National Natural Science Foundation of China (51074085)

  • Publish Date: 2013-07-25
  • By taking the engineering geology of the Fe-Zn polymetallic ore in Chaobuleng mine as an example, based on the blast damage theory of rock, the FLAC-3D software was adopted and ultrasonic tests were carried out to systematically explore the cumulative damage development in the surrounding rock of the re-exploited tunnel. In the above investigation, the surrounding rock was impacted by blasting for many times in the section excavation process. And the re-exploitation of the tiberium spike under the mined-out area adjacent to the re-exploited tunnel was numerically simulated. Thereby the stability of the surrounding rock of the mined-out area was analyzed. It is helpful for engineering application.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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