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...
