| 沿空巷道三维锚索支护机理研究 |
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| 引用本文： | 肖亚宁,马占国,马继刚,赵国贞.沿空巷道三维锚索支护机理研究[J].煤矿开采,2011,16(1):17-19,24. |
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| 作者姓名： | 肖亚宁 马占国 马继刚 赵国贞 |
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| 作者单位： | 1. 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
2. 中国矿业大学,深部岩土力学与地下工程国家重点实验室,江苏,徐州,221008 |
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| 基金项目： | 教育部新世纪优秀人才支持计划项目(NCET-08-0837); 国家重点基础研究发展规划(973)项目(2007CB209400); 国家自然科学基金重点项目(50834005,50834004);国家自然科学基金项目(51074163); 江苏省自然科学基金(BK2009092); 江苏省“青蓝工程”优秀青年骨干教师计划; 国土资源部公益性项目(200811050); 深部岩土力学与地下工程国家重点实验室专项基金 |
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| 摘 要： | 在对比三维锚索支护技术与普通锚杆支护技术原理、支护特点等异同点的基础上,结合王庄煤矿5218风巷的生产地质条件,采用FLAC3D建模对沿空巷道三维锚索支护机理进行了研究,着重探讨小煤柱沿空巷道三维锚索支护对围岩的控制作用.研究结果表明:三维锚索可在围岩表层附近及时形成承受高支承应力的组合拱结构,增强围岩整体应力强度和围...
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| 关 键 词： | 沿空巷道 三维锚索支护 变形规律 数值模拟 |
Supporting Mechanism of 3-D Anchored Rope in Gob-side Roadway |
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| XIAO Ya-ning,MA Zhan-guo,MA Ji-gang,ZHAO Guo-zhen.Supporting Mechanism of 3-D Anchored Rope in Gob-side Roadway[J].Coal Mining Technology,2011,16(1):17-19,24. |
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| Authors: | XIAO Ya-ning MA Zhan-guo MA Ji-gang ZHAO Guo-zhen |
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| Affiliation: | XIAO Ya-ning1,MA Zhan-guo2,MA Ji-gang2,ZHAO Guo-zhen2(1.State Key Laboratory of Coal Resources & Safety Mining,China University of Mining & Technology(Beijing),Beijing 100083,China,2.State Key Laboratory of Deep Rock Mechanics & Underground Engineering,China University of Mining & Technology,Xuzhou 221008,China) |
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| Abstract: | Combined with mining and geological conditions of 5218 ventilation roadway of Wangzhuang Colliery,FLAC3D was applied to researching supporting mechanism of 3-D anchored rope in gob-side roadway on the basis of comparing 3-D anchored rope supporting and common anchored bolt supporting in technical principle and supporting characteristic.Controlling of 3-d anchored rope on surrounding rock of gob-side roadway with small coal pillar was mainly discussed.Results showed that 3-d anchored rope could timely form c... |
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| Keywords: | gob-side roadway 3-D anchored rope supporting deformation rule numerical simulation |
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