摘要
采用"高压注浆,帷幕封堵"的总体思路,编写注浆堵水设计,利用高性能水泥基注浆料对某煤矿回风立井实施注浆堵水工程,将开凿井筒与砂岩含水层及含水煤层隔开,在待开凿的井筒周围形成了有效的阻水帷幕,达到了预期堵水目的,保障了井筒安全掘进。
Adopt "high pressure grouting curtain to blockn" the overall train of thought, write grouting water plugging design, use of high performance cement slurry injection of a return air shaft of coal mine grouting water plugging project implementation, to separate digging coal seam wellbore and sandstone aquifer and water cut, in digging around the wellbore to form the effective resistance of water curtain,water plugging reached the expected results, to ensure the safety of the shaft excavation.
作者
李海平
LI Hai-ping(Engineering Construction Department,Etuoke Qianqi Hengyuan Investment Industrial Co.,Ltd.,Ordos 016299,China)
出处
《煤炭技术》
CAS
2020年第7期135-137,共3页
Coal Technology
关键词
回风立井
高压注浆
帷幕封堵
return shaft
high-pressure grouting
curtain to blockn
