文章來源：中國鐵路(lu)工程總公司 發布時間：2010-09-02
8月21日，中國鐵路工程總公司所屬中鐵六局承建的昆河鐵路玉溪至蒙自段站前工程第5標段最后一座隧道——舊寨隧道勝利貫通，標志著中鐵六局承建的玉蒙鐵路7條共計10.214公里的隧道全部貫通。
舊(jiu)寨(zhai)隧道全長4460米，是玉蒙段的控制性(xing)工(gong)(gong)(gong)(gong)程，隧道最大(da)埋深約150米。為了確保舊(jiu)寨(zhai)隧道的順利貫通，全體參(can)建(jian)員工(gong)(gong)(gong)(gong)從工(gong)(gong)(gong)(gong)程實際(ji)出(chu)發，精心組(zu)織，精心安排，大(da)膽探索，勇于實踐(jian)，制定了科(ke)學的施(shi)工(gong)(gong)(gong)(gong)組(zu)織方案，出(chu)色地(di)攻克(ke)了膨脹(zhang)巖、巖溶(rong)、煤層、高溫地(di)熱、瓦(wa)斯等眾多(duo)施(shi)工(gong)(gong)(gong)(gong)難(nan)題，進(jin)一步掌握了復雜地(di)質(zhi)條(tiao)件下的隧道綜合(he)施(shi)工(gong)(gong)(gong)(gong)技術，高標(biao)準、高質(zhi)量地(di)完(wan)成了工(gong)(gong)(gong)(gong)程建(jian)設(she)任務。