松散破碎煤层巷道围岩承载机理研究与应用
Bearing Mechanism of Surrounding Rock in Loose and Broken Coal Seam and Its Application
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摘要: 针对枣园煤业松散破碎煤层巷道的支护难题，提出了松散煤层巷道围岩内外承载结构模型；研究了内外承载结构协同承载机理，分析了内外承载结构的承载性能，通过改善破碎围岩的力学性能和增加内承载结构的厚度，可有效提高内承载结构的承载能力，利用FLAC3D对内外承载结构的承载作用进行了定性的模拟分析。根据该控制原理，在枣园煤业23081机巷进行了工业性试验，巷道围岩变形得到了有效控制，巷道维护满足生产需要。Abstract: In order to solve the support difficulty of roadway in Zaoyuan Mine with loose and broken coal seam, the model of internal and external bearing structure of surrounding rock in loose and broken coal seam was proposed, the coordinated bearing mechanism of internal and external structure was researched, and its bearing properties was analyzed. The carrying capacity of the inner bearing structure could be enhanced by improving the mechanical properties of surrounding rock and adding the thickness of the internal bearing structure. The role of internal and external structure was analyzed by using FLAC3D. According to the control principle of surrounding rock, the industrial test was carried out in 23081 roadway of Zaoyuan Coal Mine. The mine pressure observation showed that the deformation of the roadway surrounding rock was effectively controlled during the roadway driving period, and the roadway maintenance could meet the requirements of the mine production.
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[1] 余伟健，高谦，朱川曲．深部软弱围岩叠加拱承载体强度理论及应用研究[J]．岩石力学与工程学报，2010，29(10)：2134-2142． [2] 康红普.巷道围岩的承载圈分析[J].岩土力学，1996,17（4）：84-89. [3] 康红普.巷道围岩的关键圈理论[J].力学与实践，1997,19（1）：34-36. [4] 李树清,王卫军,潘长良.深部巷道围岩承载结构的数值分析[J].岩土工程学报,2006,28(3):377-381. [5] 李树清.深部煤巷围岩控制内、外承载结构耦合稳定原理的研究[D].长沙：中南大学，2008. [6] 郭军杰，孙光中．锚喷支护巷道围岩承载结构研究[J]．矿业安全与环保，2010，37(3)：38-40． [7] 王龙龙，高明仕，张理生，等．极松散煤体巷道注喷锚支护技术[J]．煤炭科学技术，2011，40(3)：13-16． [8] 高明仕，郭春生，李江峰，等．厚层松软复合顶板煤巷梯次支护力学原理及应用[J]．中国矿业大学学报，2011，40(3)：333-338． [9] 董方庭．巷道围岩松动圈支护理论及应用技术[M]．北京：煤炭工业出版社，2001． [10] 徐芝纶．弹性力学[M]．北京：高等教育出版社，2011． -
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