TY - JOUR A2 - Teng, Bailu AU - Chang, Qingliang AU - Yao, Xingjie AU - Ge, Shiguo AU - Xu, Ying AU - Sun, Yuantian PY - 2021 DA - 2021/11/25 TI - Control of Water Inrush from Longwall Floor Aquifers Using a Division Paste Backfilling Method SP - 9374127 VL - 2021 AB - Aiming at the problem of the safety mining problems of longwall paste filling working face under buildings on high confined water in the Daizhuang Coal Mine, the paste filling mining method was used.应用了一系列理论分析、数值模拟和现场测量结果表明,当工作脸从1.2m增到3.6m时,底层穿孔塑料带深度没有重大变化。根据工作面层水导裂缝类型1167,底层划分为完整性区块、结构开发区块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块块在此基础上,提出了预防和控制粘贴填充工作表故障的措施建议此外,测试工作表层故障深度通过现场注入水法检测,结果显示测试工作表层故障深度最大约3米SN-1468-8115UR-https://doi.org/101155/2021/9374127DO-10.1155/2021/9374127JF-GeofluidsPB-HindawiKW-ER