文章(zhang)來源(yuan)：中國鐵路工程總(zong)公司(si) 發(fa)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。
新疆(jiang)恰甫其(qi)海(hai)綜合(he)利(li)(li)(li)用水(shui)利(li)(li)(li)樞(shu)紐工(gong)(gong)程(cheng)(cheng)是(shi)(shi)一(yi)個(ge)集控灌、防(fang)洪、發電(dian)、漁業、觀(guan)光為一(yi)體的國家重(zhong)點水(shui)利(li)(li)(li)樞(shu)紐工(gong)(gong)程(cheng)(cheng)。其(qi)中(zhong)大坂(ban)隧(sui)洞(dong)全(quan)長8100米(mi)，該隧(sui)洞(dong)集溶洞(dong)、涌水(shui)、斷(duan)層、涌泥(ni)于一(yi)體，地質結構復(fu)雜，施(shi)工(gong)(gong)難度大，列全(quan)線第(di)二長大隧(sui)洞(dong)，是(shi)(shi)新疆(jiang)恰甫其(qi)海(hai)綜合(he)水(shui)利(li)(li)(li)樞(shu)紐工(gong)(gong)程(cheng)(cheng)的重(zhong)點控制工(gong)(gong)期工(gong)(gong)程(cheng)(cheng)。自2005年(nian)元月(yue)開(kai)工(gong)(gong)以(yi)來，工(gong)(gong)程(cheng)(cheng)中(zhong)先后安(an)(an)全(quan)順(shun)利(li)(li)(li)渡過5處大涌水(shui)、5處斷(duan)層地帶以(yi)及12個(ge)大溶洞(dong)。連(lian)續取得10個(ge)單(dan)(dan)口百米(mi)成洞(dong)的佳績，最高(gao)紀錄(lu)單(dan)(dan)口月(yue)成洞(dong)150米(mi)，8月(yue)1日提前實現(xian)了主體工(gong)(gong)程(cheng)(cheng)完(wan)工(gong)(gong)。該隧(sui)洞(dong)開(kai)工(gong)(gong)至(zhi)今，工(gong)(gong)程(cheng)(cheng)質量合(he)格率100%，優良率達97%以(yi)上并(bing)在施(shi)工(gong)(gong)過程(cheng)(cheng)中(zhong)創(chuang)下安(an)(an)全(quan)生產無事故的好成績。