文章來源(yuan)：中國(guo)鐵路工程總(zong)公司 發布時間(jian)：2010-01-07
2008年12月29日，中(zhong)鐵(tie)五(wu)局施(shi)工(gong)(gong)(gong)(gong)的田(tian)德鐵(tie)路第一座(zuo)1089米(mi)的隴群(qun)隧道(dao)(dao)實現全(quan)面貫通。中(zhong)鐵(tie)五(wu)局在(zai)田(tian)德鐵(tie)路工(gong)(gong)(gong)(gong)程中(zhong)承擔了31.75KM的施(shi)工(gong)(gong)(gong)(gong)任務，隧道(dao)(dao)12座(zuo)，其中(zhong)千米(mi)以上的隧道(dao)(dao)9座(zuo)，全(quan)長16.569公里。隴群(qun)隧道(dao)(dao)采用單(dan)口掘進施(shi)工(gong)(gong)(gong)(gong)，洞內圍(wei)巖較(jiao)差(cha)，主要不良地(di)質為巖溶(rong)，全(quan)隧78％為Ⅱ級圍(wei)巖。中(zhong)鐵(tie)五(wu)局在(zai)施(shi)工(gong)(gong)(gong)(gong)中(zhong)結合隧道(dao)(dao)的特(te)點和難(nan)點，超前制訂了相應(ying)的安(an)全(quan)防護措(cuo)施(shi)、工(gong)(gong)(gong)(gong)程創優規劃、環境保(bao)護措(cuo)施(shi)、工(gong)(gong)(gong)(gong)期保(bao)障措(cuo)施(shi)和各種應(ying)急(ji)預案，精心組織，科學施(shi)工(gong)(gong)(gong)(gong)，加強現場施(shi)工(gong)(gong)(gong)(gong)指揮與(yu)協調(diao)。嚴(yan)格(ge)執行施(shi)工(gong)(gong)(gong)(gong)規范和安(an)全(quan)技術交底，成功預防了溶(rong)洞坍塌，有效(xiao)規避(bi)了安(an)全(quan)風險，接連攻克五(wu)道(dao)(dao)溶(rong)洞難(nan)關，確保(bao)了隴群(qun)隧道(dao)(dao)安(an)全(quan)貫通目(mu)標。