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Theoretical Calculation and Analysis on the Composite Rock-Bolt Bearing Structure in Burst-Prone Ground

Author

Listed:
  • Liang Cheng
  • Yidong Zhang
  • Ming Ji
  • Mantang Cui
  • Kai Zhang
  • Minglei Zhang

Abstract

Given the increase in mining depth and intensity, tunnel failure as a result of rock burst has become an important issue in the field of mining engineering in China. Based on the Composite Rock-Bolt Bearing Structure, which is formed due to the interaction of the bolts driven into the surrounding rock, this paper analyzes a rock burst prevention mechanism, establishes a mechanical model in burst-prone ground, deduces the strength calculation formula of the Composite Rock-Bolt Bearing Structure in burst-prone ground, and confirms the rock burst prevention criterion of the Composite Rock-Bolt Bearing Structure. According to the rock burst prevention criterion, the amount of the influence on rock burst prevention ability from the surrounding rock parameters and bolt support parameters is discussed.

Suggested Citation

  • Liang Cheng & Yidong Zhang & Ming Ji & Mantang Cui & Kai Zhang & Minglei Zhang, 2015. "Theoretical Calculation and Analysis on the Composite Rock-Bolt Bearing Structure in Burst-Prone Ground," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-6, May.
    • Handle: RePEc:hin:jnlmpe:434567
    DOI: 10.1155/2015/434567
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