| 输气管道下急倾斜煤层开采应力分布规律 |
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| 引用本文： | 程国明,李文鹏,郭占峰.输气管道下急倾斜煤层开采应力分布规律[J].煤矿开采,2010,15(4):29-31,108. |
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| 作者姓名： | 程国明 李文鹏 郭占峰 |
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| 作者单位： | 1. 中国地质环境监测院,北京,100081
2. 华晋焦煤有限责任公司,山西,柳林,033300 |
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| 基金项目： | 国土资源部百名优秀青年科技人才计划资助项目，科技部公益性行业科研专项 |
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| 摘 要： | 以输气管道途经的沉陷区为工程背景,运用有限差分法FLAC3D计算软件,模拟急倾斜煤层开采过程中不同开采水平下地表浅部应力变化过程,探讨了地表浅部应力分布规律,分析了地表裂缝产生的原因及应力变化对输气管道安全的影响。研究结果为合理解释地表裂缝的出现及输气管道运营安全评价具有重要的理论和实际意义。
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| 关 键 词： | 急倾斜煤层 管道安全 应力 地表裂缝 |
Stress Distribution Rules of Mining Steeply Inclined Coal Seam under Gas Pipeline |
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| CHENG Guo-ming,LI Wen-peng,GUO Zhan-feng.Stress Distribution Rules of Mining Steeply Inclined Coal Seam under Gas Pipeline[J].Coal Mining Technology,2010,15(4):29-31,108. |
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| Authors: | CHENG Guo-ming LI Wen-peng GUO Zhan-feng |
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| Abstract: | This paper applied FLAC3D to simulating stress variation process of shallow surface under different mining levels in mining steeply inclined coal seam,researched stress distribution rules of shallow surface and analyzed surface fissure cause and influence of stress variation on gas pipeline safety.Research results might rationally explain surface fissure and provide important theoretical and practical reference to safety evaluation of gas pipeline. |
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| Keywords: | steeply inclined coal seam pipeline safety stress surface fissure |
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