文章來源：中國鐵路(lu)工(gong)程總(zong)公司 發布時間：2009-12-23
12月10日，中鐵(tie)二局施(shi)工(gong)(gong)(gong)(gong)的龍廈鐵(tie)路控制性工(gong)(gong)(gong)(gong)程上東山隧道(dao)中部至出口段提前19天(tian)順(shun)利貫(guan)通。上東山隧道(dao)總長4657米(mi)，其中中部至出口段長2555米(mi)。上東山隧道(dao)屬山區地(di)貌，地(di)質構(gou)造極為復雜，洞身穿過(guo)巖性分(fen)界接觸斷(duan)(duan)裂帶、地(di)下水發育(yu)帶、淺埋(mai)軟弱帶等不良地(di)質帶，施(shi)工(gong)(gong)(gong)(gong)難度很大。項目部針對(dui)復雜地(di)質條件，不斷(duan)(duan)優(you)化施(shi)工(gong)(gong)(gong)(gong)設計，嚴格(ge)現(xian)場施(shi)工(gong)(gong)(gong)(gong)管理，對(dui)特殊地(di)段及時調整(zheng)施(shi)工(gong)(gong)(gong)(gong)方案，時刻抓好施(shi)工(gong)(gong)(gong)(gong)過(guo)程中的安全質量工(gong)(gong)(gong)(gong)作，確保了工(gong)(gong)(gong)(gong)程順(shun)利提前貫(guan)通。