煤层瓦斯基本参数测定方案二零一三年八月目录1煤层瓦斯压力测定................................................................................11.1测压操作步骤....................................................................................................................21.2瓦斯压力测定结果............................................................................................................32煤层瓦斯含量测定................................................................................32.1测定方法及过程................................................................................................................32.2煤层瓦斯含量测定结果....................................................................................................43煤层透气性系数测定............................................................................63.1测定原理............................................................................................................................63.2测定方法............................................................................................................................73.3煤层透气性系数计算结果.................................................................................................84钻孔瓦斯流量衰减系数的测定............................................................84.1测定原理............................................................................................................................84.2测定方法............................................................................................................................95煤的破坏类型测定..............................................................................106煤的坚固性系数测定..........................................................................106.1仪器设备..........................................................................................................................106.2煤样制取..........................................................................................................................106.3测定步骤..........................................................................................................................116.4数据计算..........................................................................................................................117瓦斯放散初速度测定..........................................................................127.1仪器设备..........................................................................................................................127.2煤样制取..........................................................................................................................127.3测定步骤..........................................................................................................................127.4数据计算..........................................................................................................................138煤层瓦斯吸附常数测定......................................................................138.1煤样制取..........................................................................................................................148.2测定步骤............................................................................................................................
