事故井冻结壁交圈判定依据分析

Analysis on Judging Criterion of Freezing Wall Closure in Accident Mine Shaft

结合工程实际,对国内煤矿立井冻结壁窗口处理方法进行了分析研究,提出了判断冻结壁是否交圈的新方法。即在工作面做止水垫注浆堵水,设置水文孔并结合冻结器纵向测温数据进行判断。该方法应用于事故井筒塔什店煤矿副井冻结壁交圈情况判断,收到预期效果。

In combination with the engineering practices,an analysis study was conducted on window treatment method of freezing wall in the domestic mine shafts and a new method to judge the freezing wall in closure or not was provided.The judgement was conducted on the water cushion setting in the working face for the grouting and water sealing,the hydrogeologic borehole setting and longitudinal temperature measured data of the freezing apparatus.The method was applied to the judgment of the freezing wall closure in the mine auxiliary shaft of Tashidian Mine with expected effect.