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兖州矿业 (集团 )公司鲍店煤矿针对井下三环水仓部分区段位于裂隙发育、强度较低的泥岩和砂质泥岩中的特点 ,采用注浆锚杆和喷射防渗混凝土等新工艺对原支护设计方案进行了优化 ,有效地防止了水仓渗水、围岩膨胀等现象发生 ,保证了水仓工程的安全。该水仓总长 4 47m ,其中 15 0
Yancheng Mining (Group) Company Baodian Coal Mine for the underground section of the tricyclic watercourse is located in fractured development, lower strength of the mudstone and sandy mudstone characteristics, the use of grouting bolt and jet seepage control of concrete and other new technology on the original Support design optimization program has been carried out to effectively prevent the water seepage, expansion of the surrounding rock and other phenomena to ensure the safety of the water tank project. The water tank total length 4 47m, of which 15 0