城郊煤矿东11201工作面回风巷突水原因分析

Analysis of the water bursting causes of the return airflow roadway at the east workingface 11201 in Chengjiao Coal Mine

根据矿区及11201工作面回风巷水文地质特征,对11201工作面回风巷突水原因进行了全面分析,提出了水源、通道、动力三个突水的主要因素,并据此提出了预防突水措施.

According to the hydrogeology feature of the return airflow roadway at workingface 11201,the water bursting cauces are analyzed.Three causes are found,that is,the water resources,the passages and the power.Therefore,some measures for predicting the water bursting are put forward.