›› 2016, Vol. 37 ›› Issue (S2): 589-596.doi: 10.16285/j.rsm.2016.S2.074

• 岩土工程研究 • 上一篇    下一篇

大采高碎裂煤巷软弱围岩控制优化研究

赵 明1,黄 侃1,林 佳2,张 鹏1,赵 健1,陈 磊1,葛勇勇3   

  1. 1. 中国矿业大学(北京) 资源与安全工程学院,北京 100083;2. 中煤西安设计工程有限责任公司,陕西 西安 710054; 3. 国家自然科学基金委员会,北京 100085
  • 收稿日期:2016-03-14 出版日期:2016-11-11 发布日期:2018-06-09
  • 作者简介:赵明,男,1989年生,博士,从事矿山压力与岩层控制方面的研究工作
  • 基金资助:

    高等学校博士学科点专项科研基金(No.20120023110023);中央高校基本科研业务费专项资金(No.2014QZ03)

Optimization research on weak rock control in coal roadway of large mining height

ZHAO Ming1, HUANG Kan1, LIN Jia2, ZHANG Peng1, ZHAO Jian1, CHEN Lei1, GE Yong-yong3   

  1. 1. School of Resources and Safety Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China; 2. China Coal Xi 'an Design Engineering Co., Ltd., Xi′an, Shannxi 710054, China; 3. National Natural Science Foundation of China, Beijing 100085, China
  • Received:2016-03-14 Online:2016-11-11 Published:2018-06-09
  • Supported by:

    This work was supported by Specialized Research Fund for the Doctoral Program of Higher Education (20120023110023) and the Fundamental Research Funds for the Central Universities (2014QZ03).

摘要: 为解决谢桥煤矿1232(3)工作面回风巷道围岩控制的技术难题与经济合理性问题,运用正交实验方法,以巷道两帮与顶底板收敛量为指标,对不同因素不同水平的正交实验数据进行极差分析,得出锚杆直径与间排距为影响回风巷道围岩控制效果的主要敏感因素。同时,选定技术与经济指标,通过分析各关键因素对围岩控制效果的影响情况得出2组局部优化方案,并借助灰色关联分析方法对不同方案进行综合分析和决策,得出最终优化方案。现场实际应用表明,支护参数优化后巷道围岩变形得到有效控制,技术经济效益显著。

关键词: 锚杆锚索, 围岩控制, 优化, 灰色关联分析

Abstract: To solve the problems about the technology and economic rationality of the surrounding rock control in the air-return gate of 1232(3) face in Xieqiao coal mine, it is concluded that bolt diameter and row spacing are the main sensitive factors that affect the surrounding rock control results of the air-return gate by using orthogonal experiment method to analyze the experiment data of different factors in different levels with the roadway’s sides and roof-to-floor convergence as indexes. Meanwhile, two locally optimization schemes are obtained by analyzing the key factors that affect the surrounding rock control results after taking the techno-economic indicators into consideration. The final optimization scheme is reached by comprehensive analysis and decision-making of the two schemes according to the method of grey correlation analysis. The actual application shows that the deformation of surrounding rock of roadway is controlled effectively and the techno-economic benefit is remarkable after the optimization of the support parameters.

Key words: anchor bolt / anchor cable, surrounding rock control, optimization, grey correlation analysis

中图分类号: 

  • TD 353

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