文章(zhang)來源：中國葛洲(zhou)壩(ba)集團公司 發布時間：2010-03-20
3月15日，由葛洲壩(ba)集團向(xiang)家壩(ba)施(shi)工(gong)(gong)局承擔施(shi)工(gong)(gong)任(ren)務的向(xiang)家壩(ba)工(gong)(gong)程二期防滲墻成槽(cao)量已達(da)到77%以上，目前還剩24個槽(cao)段(duan)正在抓(zhua)緊施(shi)工(gong)(gong)中。
向家壩二期(qi)防(fang)(fang)滲(shen)(shen)墻(qiang)是今(jin)年基(ji)坑安(an)全(quan)度汛的卡關(guan)項目(mu)。受不良(liang)地質影響(xiang)，防(fang)(fang)滲(shen)(shen)墻(qiang)施(shi)(shi)工(gong)(gong)(gong)部(bu)(bu)位(wei)建基(ji)面最深達到60米，較(jiao)以往常規40多米的防(fang)(fang)滲(shen)(shen)施(shi)(shi)工(gong)(gong)(gong)高(gao)出近(jin)30%。同時，為確保(bao)施(shi)(shi)工(gong)(gong)(gong)質量(liang)，防(fang)(fang)滲(shen)(shen)墻(qiang)建基(ji)面的勘(kan)探孔由原來15米改(gai)為7.5米一(yi)個，工(gong)(gong)(gong)程量(liang)增大。為確保(bao)按期(qi)完(wan)(wan)成防(fang)(fang)滲(shen)(shen)墻(qiang)施(shi)(shi)工(gong)(gong)(gong)，向家壩施(shi)(shi)工(gong)(gong)(gong)局通(tong)過(guo)加大鉆(zhan)機(ji)設備(bei)投入和大力實(shi)施(shi)(shi)激勵機(ji)制，提高(gao)了廣大干(gan)部(bu)(bu)職工(gong)(gong)(gong)的主觀能(neng)動性，使68臺鉆(zhan)機(ji)設備(bei)安(an)全(quan)運行，較(jiao)好(hao)地完(wan)(wan)成了各(ge)項施(shi)(shi)工(gong)(gong)(gong)生產任務。目(mu)前施(shi)(shi)工(gong)(gong)(gong)槽段閉氣效果良(liang)好(hao)，能(neng)滿(man)足(zu)質量(liang)控制要求，實(shi)現3月30日(ri)防(fang)(fang)滲(shen)(shen)墻(qiang)完(wan)(wan)工(gong)(gong)(gong)目(mu)標指日(ri)可待(dai)。