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首页> 松藻煤电公司打通一矿W2708运输巷煤锚网梁索支护参数优化设计7
松藻煤电公司打通一矿W2708运输巷煤锚网梁索支护参数优化设计7
时间：2023-03-07 20:33:58 下载该word文档
松藻煤电公司打通一矿半煤巷锚网梁索支护参数优化设计
重庆工程职业技术学院松藻煤电公司打通一矿半煤巷锚网梁索支护参数优化设计项目组
二〇一六年五月
松藻煤电公司打通一矿半煤巷锚网梁索支护参数优化设计目录
目录
前言........................................................................................................................................11概况....................................................................................................................................21.1巷道位置及相邻关系........................................................................................................21.2煤（岩）特征....................................................................................................................21.3地质构造............................................................................................................................21.4水文地质............................................................................................................................31.5瓦斯地质............................................................................................................................31.5.1瓦斯...............................................................................................................................31.5.2煤尘...............................................................................................................................31.5.2自燃...............................................................................................................................31.6施工方法............................................................................................................................31.7原巷道支护........................................................................................................................31.8煤岩物理性质....................................................................................................................42半煤巷优化设计理论依据....................................................................................................52.1新理论的产生....................................................................................................................52.2增大锚杆、锚索预紧力....................................................................................................52.3增大锚杆直径技术和经济可行性分析............................................................................62.4锚杆受力扩散分析............................................................................................................62.4.1锚杆与围岩的关系.......................................................................................................62.4.2护顶效果分析...............................................................................................................82.5动态设计理念....................................................................................................................82.6优化可行性论证................................................................................................................83半煤巷优化设计...................................................................................................................103.1支护断面优化..................................................................................................................103.2巷道宽度控制..................................................................................................................103.3锚杆优化设计方案..........................................................................................................113.3.1煤层中无玻璃钢锚杆支护.........................................................................................113.3.2煤层中有玻璃钢锚杆支护.........................................................................................113.4支护参数的确定..............................................................................................................123.4.1计算方法选择.............................................................................................................123.4.2锚杆参数确定.............................................................................................................123.5锚杆锚索类型和结构......................................................................................................143.5.1锚杆类型及结构.