厚层泥质顶板巷道支护难度分级研究与应用

doi:10.16265/j.cnki.issn1003-3033.2017.11.021

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (11): 121-125.doi: 10.16265/j.cnki.issn1003-3033.2017.11.021

厚层泥质顶板巷道支护难度分级研究与应用

马振乾¹ 讲师, 姜耀东^2,3 教授, 吴桂义¹ 副教授, 左宇军¹, 高林¹

1 贵州大学矿业学院,贵州贵阳 550025
2 中国矿业大学北京力学与建筑工程学院,北京 100083
3 中国矿业大学北京煤炭资源与安全开采国家重点实验室,北京 100083

收稿日期:2017-08-16 修回日期:2017-09-25 发布日期:2020-10-21
作者简介:马振乾 (1987—),男,河南永城人,博士,讲师,硕士生导师,主要从事煤矿巷道围岩控制等方面的研究工作。E-mail:zqma@gzu.edu.cn。
基金资助:
贵州省科技厅、贵州大学联合资金项目(黔科合LH字[2017]7281、Z163207);贵州省一流专业“采矿工程”建设项目(SJZY2017006);国土资源部喀斯特环境与地质灾害重点实验室开放课题(2017k05)。

Research on support difficulty classification for roadways with thick mudstone roof and its application

MA Zhenqian¹, JIANG Yaodong^2,3, WU Guiyi¹, ZUO Yujun¹, GAO Lin¹

1 School of Mining,Guizhou University,Guiyang Guizhou 550025,China
2 School of Mechanics and Civil Engineering, China University of Mining & TechnologyBeijing, Beijing 100083, China
3 State Key Laboratory of Coal Resources and Safe Mining, China University of Mining & TechnologyBeijing, Beijing 100083, China

Received:2017-08-16 Revised:2017-09-25 Published:2020-10-21

摘要/Abstract

摘要： 为对厚层泥质顶板巷道的支护难度进行分级,引入适合处理复杂非线性系统问题的数学方法——突变级数法(CPM),选取顶板厚度、顶板强度、埋深等12个因素构建CPM 评价指标体系;结合突变理论与模糊数学理论,根据突变级数值将巷道支护难度分为Ⅰ容易支护型、Ⅱ中等难度型、Ⅲ较难支护型和Ⅳ极难支护型4个级别;在对各难度级别分级评估的基础上,提出以锚网支护技术为基础的厚层泥质顶板巷道围岩控制对策。在黄岩汇煤矿进行的现场应用结果表明:用所提方法对厚层泥质顶板巷道支护难度进行分级结果准确;应用该方法可以判别支护难度较大的区域,为优化支护方式提供依据。

关键词: 厚层泥质顶板, 巷道, 突变级数法(CPM), 支护难度, 分级

Abstract: To classify the support difficulty of roadways with thick mudstone roof, CPM, a good mathematical method to solve complicated nonlinear problems was adopted. 12 factors, including the thickness, strength, depth etc. were selected to build CPM evaluation index system. Based on catastrophe theory and fuzzy mathematics theory, roadway support difficulty was classified into four levels, Level Ⅰ easy-supporting type, Level Ⅱ moderate-difficult-support type, Level Ⅲ relative-difficult-support type and Level Ⅳ extreme-difficult-support type. On the basis of the assessment of support difficulty levels, control measures based on bolt-net support technology were presented. This method can be used to determine regions with greater difficulty in support, which provides the basis for optimizing the support mode. The engineering application made in the Huangyanhui coal mine shows that the support difficulty classification is accurate.

Key words: thick mudstone roof, roadway, catastrophe progression method (CPM), support difficulty, classification

中图分类号:

X936

马振乾讲师, 姜耀东教授, 吴桂义副教授, 左宇军, 高林. 厚层泥质顶板巷道支护难度分级研究与应用[J]. 中国安全科学学报, 2017, 27(11): 121-125.

MA Zhenqian, JIANG Yaodong, WU Guiyi, ZUO Yujun, GAO Lin. Research on support difficulty classification for roadways with thick mudstone roof and its application[J]. China Safety Science Journal, 2017, 27(11): 121-125.

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厚层泥质顶板巷道支护难度分级研究与应用

Research on support difficulty classification for roadways with thick mudstone roof and its application

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