文(wen)章來源:中國冶(ye)金(jin)科工集團有限(xian)公司(si) 發布時間:2010-09-15
近日,中國冶金科工集團華冶資源開發有限責任公司在武鋼大冶鐵礦東副井工程治理井筒涌水中,實施靜水止漿墊施工工藝獲得成功。
去年12月,武鋼礦業公司大冶鐵礦東副井工程當豎井掘至-41米時,因涌水量過大被迫停工。今年3月,華冶資源在業主招標治水中中標。
幾個(ge)月(yue)來,在工(gong)(gong)程(cheng)施工(gong)(gong)難(nan)度大、沒有施工(gong)(gong)經驗可借鑒的情況下,針對如(ru)何使井筒底(di)部(bu)砼墊(dian)層達到所要求強(qiang)度、控制水泥漿液比例及(ji)輸(shu)送(song)管路如(ru)何下送(song)到水下工(gong)(gong)作面等問題,工(gong)(gong)程(cheng)技術人員(yuan)開展治水攻(gong)關。經過(guo)多種方案比較和多次實驗后(hou),對東(dong)副井實施了靜水止漿墊(dian)施工(gong)(gong)工(gong)(gong)藝,獲得成功。東(dong)副井工(gong)(gong)程(cheng)已于8月(yue)份復工(gong)(gong)。目前,井筒涌水量已經控制在3立方米/時,項目部(bu)將繼續對井筒明顯出水點進(jin)行封堵及(ji)壁后(hou)注漿工(gong)(gong)作。