李胜;李军文;韩永亮;罗明坤;范超军;

• 1:辽宁工程技术大学矿业学院

摘要(Abstract)：

为了计算综放工作面沿空留巷支护阻力,以结构力学理论为基础,分析综放工作面沿空留巷支护阻力计算模型,建立沿空留巷围岩和支护体的结构力学模型,应用超静定结构和静定结构分析支护体与沿空留巷围岩相互作用机制,推导出巷旁支护阻力的计算公式。结果表明,进行沿空留巷支护阻力力学分析时,要考虑顶板极限断裂前和断裂后两种状态下的受力情况,支护阻力与岩层厚度、容重、煤体极限平衡区宽度、跨距、支护体宽度和巷道宽度等因素密切相关。工业性试验表明,该技术的应用是成功而有效的。因此,综放巷内沿空留巷围岩结构力学模型和支护阻力计算公式是合理的,可在类似条件的综放工作面中应用。

关键词(KeyWords)： 安全工程;综放沿空留巷;关键层;巷旁支护体;支护阻力

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51004063);; 辽宁省高等学校优秀人才支持项目(LJQ2011029)

作者(Authors): 李胜;李军文;韩永亮;罗明坤;范超军;

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