煤层瓦斯基础参数测定技术汇编VIP免费

煤层瓦斯基础参数测定技术汇编煤炭科学研究总院抚顺分院目录第一章煤层瓦斯压力测定.......................................................................................................4一、固体材料封孔测定瓦斯压力...................................................................................41.粘土封孔...................................................................................................................42.水泥砂浆封孔...........................................................................................................5二、胶圈粘液封孔测定瓦斯压力...................................................................................5第二章煤层瓦斯含量测定.......................................................................................................8一、采取煤样及瓦斯解吸速度测定...............................................................................8二、计算采样过程中的损失瓦斯量...............................................................................91.解吸时间的确定.......................................................................................................92.瓦斯损失量计算.....................................................................................................10三、残余瓦斯含量测定.................................................................................................11第三章瓦斯含量系数测定.....................................................................................................13一、测定原理.................................................................................................................13二、测定方法.................................................................................................................13第四章煤层透气性系数的测定与计算.................................................................................15一、计算公式.................................................................................................................15二、测定与计算步骤.....................................................................................................16三、测定中的注意事项：.............................................................................................17第五章煤的坚固性系数测定.................................................................................................20一、测定原理.................................................................................................................20二、测定方法与步骤.....................................................................................................20第六章煤的瓦斯放散指数测定.............................................................................................22一、测定仪器.................................................................................................................22二、测定步骤.................................................................................................................22第七章瓦斯吸附常数测定.....................................................................................................24一、瓦斯含量欲瓦斯吸附量、瓦斯压力及温度之间的关系.....................................24二、采用容量法测定等温吸附曲线计算a、b值的原理........................................25三、测定过程........................................................