文章(zhang)來源：中國(guo)鐵路工程總公司(si) 發布(bu)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。
舊寨(zhai)隧道(dao)(dao)全長4460米，是玉蒙段(duan)的(de)(de)(de)控制性工(gong)(gong)(gong)(gong)程，隧道(dao)(dao)最大(da)埋深約(yue)150米。為了(le)(le)確保舊寨(zhai)隧道(dao)(dao)的(de)(de)(de)順利貫通，全體(ti)參建(jian)員(yuan)工(gong)(gong)(gong)(gong)從工(gong)(gong)(gong)(gong)程實際出(chu)發(fa)，精(jing)心組織，精(jing)心安排，大(da)膽探索，勇于實踐，制定了(le)(le)科學的(de)(de)(de)施工(gong)(gong)(gong)(gong)組織方案，出(chu)色(se)地(di)(di)攻(gong)克了(le)(le)膨(peng)脹巖、巖溶、煤(mei)層、高溫地(di)(di)熱、瓦斯等眾(zhong)多施工(gong)(gong)(gong)(gong)難題，進一(yi)步(bu)掌握了(le)(le)復雜(za)地(di)(di)質條件下的(de)(de)(de)隧道(dao)(dao)綜合施工(gong)(gong)(gong)(gong)技術，高標準、高質量地(di)(di)完(wan)成了(le)(le)工(gong)(gong)(gong)(gong)程建(jian)設任務。