文章(zhang)來源：中國鐵路(lu)工程(cheng)總公司(si) 發布時間：2010-01-07
2008年12月29日，中(zhong)(zhong)鐵(tie)五局施(shi)(shi)(shi)工(gong)(gong)的田德(de)鐵(tie)路第一座1089米(mi)(mi)的隴(long)群(qun)(qun)隧(sui)道實現全(quan)面貫通。中(zhong)(zhong)鐵(tie)五局在(zai)田德(de)鐵(tie)路工(gong)(gong)程(cheng)中(zhong)(zhong)承擔了(le)31.75KM的施(shi)(shi)(shi)工(gong)(gong)任(ren)務，隧(sui)道12座，其中(zhong)(zhong)千米(mi)(mi)以(yi)上的隧(sui)道9座，全(quan)長(chang)16.569公里。隴(long)群(qun)(qun)隧(sui)道采用(yong)單口(kou)掘(jue)進施(shi)(shi)(shi)工(gong)(gong)，洞(dong)內圍(wei)巖(yan)(yan)較差，主(zhu)要不良地質(zhi)為巖(yan)(yan)溶(rong)(rong)(rong)，全(quan)隧(sui)78％為Ⅱ級圍(wei)巖(yan)(yan)。中(zhong)(zhong)鐵(tie)五局在(zai)施(shi)(shi)(shi)工(gong)(gong)中(zhong)(zhong)結合隧(sui)道的特點和難點，超前制訂了(le)相應的安全(quan)防護措(cuo)施(shi)(shi)(shi)、工(gong)(gong)程(cheng)創優規(gui)劃、環境保護措(cuo)施(shi)(shi)(shi)、工(gong)(gong)期保障措(cuo)施(shi)(shi)(shi)和各(ge)種應急預(yu)案，精心組織，科學施(shi)(shi)(shi)工(gong)(gong)，加強現場施(shi)(shi)(shi)工(gong)(gong)指揮與(yu)協調。嚴格(ge)執(zhi)行施(shi)(shi)(shi)工(gong)(gong)規(gui)范和安全(quan)技(ji)術(shu)交底，成功預(yu)防了(le)溶(rong)(rong)(rong)洞(dong)坍塌，有效(xiao)規(gui)避了(le)安全(quan)風險，接連攻克五道溶(rong)(rong)(rong)洞(dong)難關，確保了(le)隴(long)群(qun)(qun)隧(sui)道安全(quan)貫通目標。