文章來源：中國(guo)鐵(tie)路(lu)工程(cheng)總公司 發布時間：2009-10-20
近(jin)日(ri)，中(zhong)鐵(tie)隧(sui)(sui)道在陜西(xi)(xi)引(yin)(yin)紅(hong)濟(ji)石(shi)(shi)調(diao)水工(gong)(gong)(gong)程引(yin)(yin)水隧(sui)(sui)洞(dong)(dong)IV標(biao)(biao)施工(gong)(gong)(gong)中(zhong)采(cai)用目前(qian)國內(nei)(nei)(nei)最長(chang)的TBM，雙(shuang)護盾TBM刀盤設(she)計(ji)直徑3.65米(mi)(mi)、機(ji)身長(chang)345米(mi)(mi)，是目前(qian)國內(nei)(nei)(nei)最長(chang)的TBM。引(yin)(yin)水隧(sui)(sui)洞(dong)(dong)位于陜西(xi)(xi)省寶雞(ji)市太白縣境內(nei)(nei)(nei)，全長(chang)19795米(mi)(mi)，設(she)計(ji)高程1468米(mi)(mi)，設(she)計(ji)流量13.5立方米(mi)(mi)每秒。中(zhong)鐵(tie)隧(sui)(sui)道股份公司承建的出口段(duan)IV標(biao)(biao)全長(chang)11095米(mi)(mi)，具有長(chang)距離隧(sui)(sui)洞(dong)(dong)施工(gong)(gong)(gong)通風、斷層破(po)碎帶TBM施工(gong)(gong)(gong)、富(fu)水段(duan)TBM施工(gong)(gong)(gong)、長(chang)距離隧(sui)(sui)洞(dong)(dong)施工(gong)(gong)(gong)運輸等施工(gong)(gong)(gong)難點。隧(sui)(sui)洞(dong)(dong)地質主要由大(da)理石(shi)(shi)和花崗巖構(gou)成(cheng)，項(xiang)(xiang)目施工(gong)(gong)(gong)組織方式采(cai)用雙(shuang)護盾TBM掘進，施工(gong)(gong)(gong)存(cun)在斷面小、作業(ye)空間狹窄(zhai)、作業(ye)線長(chang)等制(zhi)約因素(su)。陜西(xi)(xi)引(yin)(yin)紅(hong)濟(ji)石(shi)(shi)調(diao)水工(gong)(gong)(gong)程引(yin)(yin)水隧(sui)(sui)洞(dong)(dong)IV標(biao)(biao)TBM順利步進，標(biao)(biao)志工(gong)(gong)(gong)程步入一(yi)個(ge)新的里程。引(yin)(yin)紅(hong)濟(ji)石(shi)(shi)調(diao)水工(gong)(gong)(gong)程項(xiang)(xiang)目是我國南水北調(diao)“引(yin)(yin)漢濟(ji)渭”工(gong)(gong)(gong)程的重要組成(cheng)部分，建成(cheng)后將(jiang)緩解西(xi)(xi)安、寶雞(ji)、咸陽、渭南等城市用水緊缺的矛盾，為推動關中(zhong)地區經濟(ji)又快又好發展(zhan)提供能源保障。