文(wen)章來源：中(zhong)國鐵路工程(cheng)總公(gong)司 發布時間：2009-12-23
12月10日，中(zhong)鐵(tie)二(er)局施(shi)工(gong)(gong)(gong)的(de)龍廈鐵(tie)路(lu)控制性工(gong)(gong)(gong)程上(shang)東山隧(sui)道(dao)中(zhong)部(bu)至出口段(duan)提(ti)(ti)前19天順(shun)利貫通。上(shang)東山隧(sui)道(dao)總長4657米，其中(zhong)中(zhong)部(bu)至出口段(duan)長2555米。上(shang)東山隧(sui)道(dao)屬山區地(di)貌，地(di)質(zhi)構造極為復(fu)雜，洞身穿過巖性分界接(jie)觸斷裂帶、地(di)下(xia)水發育帶、淺(qian)埋軟弱(ruo)帶等(deng)不良地(di)質(zhi)帶，施(shi)工(gong)(gong)(gong)難度很大(da)。項目部(bu)針對(dui)復(fu)雜地(di)質(zhi)條件，不斷優化(hua)施(shi)工(gong)(gong)(gong)設計，嚴格(ge)現場施(shi)工(gong)(gong)(gong)管理，對(dui)特殊地(di)段(duan)及(ji)時(shi)調整(zheng)施(shi)工(gong)(gong)(gong)方案，時(shi)刻抓好施(shi)工(gong)(gong)(gong)過程中(zhong)的(de)安(an)全質(zhi)量工(gong)(gong)(gong)作，確保了工(gong)(gong)(gong)程順(shun)利提(ti)(ti)前貫通。