文章來源(yuan)：中國鐵(tie)路工程總(zong)公司 發布時間：2010-01-07
2008年12月29日，中鐵五(wu)局施(shi)工(gong)(gong)(gong)(gong)(gong)的(de)田德鐵路(lu)第一座1089米(mi)的(de)隴(long)群(qun)隧(sui)(sui)(sui)道(dao)(dao)實現(xian)全(quan)(quan)面貫通。中鐵五(wu)局在田德鐵路(lu)工(gong)(gong)(gong)(gong)(gong)程中承擔了(le)(le)31.75KM的(de)施(shi)工(gong)(gong)(gong)(gong)(gong)任務，隧(sui)(sui)(sui)道(dao)(dao)12座，其中千(qian)米(mi)以上的(de)隧(sui)(sui)(sui)道(dao)(dao)9座，全(quan)(quan)長16.569公里。隴(long)群(qun)隧(sui)(sui)(sui)道(dao)(dao)采用單(dan)口(kou)掘進(jin)施(shi)工(gong)(gong)(gong)(gong)(gong)，洞內圍巖(yan)較差，主要不良(liang)地質為巖(yan)溶，全(quan)(quan)隧(sui)(sui)(sui)78％為Ⅱ級圍巖(yan)。中鐵五(wu)局在施(shi)工(gong)(gong)(gong)(gong)(gong)中結(jie)合隧(sui)(sui)(sui)道(dao)(dao)的(de)特點和(he)難(nan)點，超前制訂了(le)(le)相應(ying)的(de)安全(quan)(quan)防護措施(shi)、工(gong)(gong)(gong)(gong)(gong)程創優規(gui)劃(hua)、環境保(bao)護措施(shi)、工(gong)(gong)(gong)(gong)(gong)期保(bao)障(zhang)措施(shi)和(he)各種應(ying)急(ji)預案，精心組(zu)織，科(ke)學施(shi)工(gong)(gong)(gong)(gong)(gong)，加強現(xian)場(chang)施(shi)工(gong)(gong)(gong)(gong)(gong)指(zhi)揮(hui)與(yu)協調(diao)。嚴格執行施(shi)工(gong)(gong)(gong)(gong)(gong)規(gui)范和(he)安全(quan)(quan)技(ji)術交(jiao)底，成功(gong)預防了(le)(le)溶洞坍塌，有效(xiao)規(gui)避了(le)(le)安全(quan)(quan)風險，接連攻克五(wu)道(dao)(dao)溶洞難(nan)關，確保(bao)了(le)(le)隴(long)群(qun)隧(sui)(sui)(sui)道(dao)(dao)安全(quan)(quan)貫通目標。