文章來源(yuan)：中國鐵路工程總公司 發布時間：2010-10-20
近日，中國鐵路工程總公司所屬中鐵五局承建的國家重點水利樞紐工程——新疆恰甫其海大坂隧洞工程提前5個月完工。
新(xin)疆(jiang)恰(qia)(qia)甫其(qi)海(hai)綜合利用(yong)水(shui)利樞(shu)(shu)紐(niu)工(gong)(gong)(gong)程是一(yi)個(ge)集控灌、防(fang)洪、發(fa)電、漁業(ye)、觀(guan)光為一(yi)體的國(guo)家重(zhong)點水(shui)利樞(shu)(shu)紐(niu)工(gong)(gong)(gong)程。其(qi)中(zhong)大(da)(da)坂隧洞(dong)全(quan)長(chang)(chang)8100米(mi)，該(gai)隧洞(dong)集溶(rong)洞(dong)、涌水(shui)、斷層、涌泥于(yu)一(yi)體，地(di)質(zhi)(zhi)結(jie)構復雜，施工(gong)(gong)(gong)難度大(da)(da)，列(lie)全(quan)線第(di)二長(chang)(chang)大(da)(da)隧洞(dong)，是新(xin)疆(jiang)恰(qia)(qia)甫其(qi)海(hai)綜合水(shui)利樞(shu)(shu)紐(niu)工(gong)(gong)(gong)程的重(zhong)點控制工(gong)(gong)(gong)期工(gong)(gong)(gong)程。自2005年元月(yue)開工(gong)(gong)(gong)以(yi)(yi)來，工(gong)(gong)(gong)程中(zhong)先后安全(quan)順利渡過5處大(da)(da)涌水(shui)、5處斷層地(di)帶以(yi)(yi)及12個(ge)大(da)(da)溶(rong)洞(dong)。連續取得10個(ge)單口(kou)百米(mi)成(cheng)洞(dong)的佳績(ji)，最高紀(ji)錄單口(kou)月(yue)成(cheng)洞(dong)150米(mi)，8月(yue)1日(ri)提前實現了主體工(gong)(gong)(gong)程完工(gong)(gong)(gong)。該(gai)隧洞(dong)開工(gong)(gong)(gong)至(zhi)今，工(gong)(gong)(gong)程質(zhi)(zhi)量合格率(lv)100%，優良率(lv)達97%以(yi)(yi)上并在施工(gong)(gong)(gong)過程中(zhong)創下安全(quan)生產無(wu)事(shi)故的好(hao)成(cheng)績(ji)。