| 沿空掘巷合理煤柱宽度及支护技术研究 |
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| 引用本文： | 范军平,金子奥. 沿空掘巷合理煤柱宽度及支护技术研究[J]. 煤炭技术, 2019, 0(2): 11-14 |
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| 作者姓名： | 范军平 金子奥 |
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| 作者单位： | 山西阳泉煤业有限公司生产部;中国矿业大学煤炭资源与安全开采国家重点实验室 |
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| 摘 要： | 沿空掘巷中,窄煤柱对其所处巷道围岩附近的稳定至关重要,可使沿空掘巷在应力降低区进行掘进。以新景矿为工程背景,采用FLAC3D建立数值计算模型,提出了7种不同煤柱宽度,对沿空掘巷围岩集中应力和塑性区分布规律以及巷道变形进行了对比分析,确定了留设煤柱宽度为8 m。现场实践表明:巷道掘进采用该煤柱宽度之后,取得良好的施工效果,验证了参数设计的合理性。
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| 关 键 词： | 沿空掘巷 窄煤柱 数值模拟 |
Study on Reasonable Width of Narrow Coal Pillar and Supporting Technology in Roadway Driving along Goaf |
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| FAN Jun-ping,JIN Zi-ao. Study on Reasonable Width of Narrow Coal Pillar and Supporting Technology in Roadway Driving along Goaf[J]. Coal Technology, 2019, 0(2): 11-14 |
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| Authors: | FAN Jun-ping JIN Zi-ao |
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| Affiliation: | (Production Department,Shanxi Yangquan Coal Industry Co.,Ltd.,Yangquan 045000,China;State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology,Xuzhou 221116,China) |
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| Abstract: | FAN Jun-ping;JIN Zi-ao(Production Department,Shanxi Yangquan Coal Industry Co.,Ltd.,Yangquan 045000,China;State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology,Xuzhou 221116,China) |
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| Keywords: | roadway driving along goaf narrow coal pillar numerical simulation |
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