文章來源：中國鐵路(lu)工(gong)程總(zong)公司 發布時(shi)間：2009-12-23
12月(yue)10日，中(zhong)鐵二(er)局施工(gong)(gong)(gong)的龍(long)廈(sha)鐵路(lu)控制性(xing)工(gong)(gong)(gong)程上(shang)東山(shan)隧道中(zhong)部(bu)至出口(kou)(kou)段提前19天順利貫通(tong)。上(shang)東山(shan)隧道總長4657米(mi)(mi)，其中(zhong)中(zhong)部(bu)至出口(kou)(kou)段長2555米(mi)(mi)。上(shang)東山(shan)隧道屬(shu)山(shan)區地(di)(di)貌，地(di)(di)質(zhi)構(gou)造極為(wei)復雜，洞身穿過(guo)巖性(xing)分界接(jie)觸斷裂帶(dai)、地(di)(di)下水發育(yu)帶(dai)、淺埋軟弱(ruo)帶(dai)等不良地(di)(di)質(zhi)帶(dai)，施工(gong)(gong)(gong)難(nan)度很大(da)。項目(mu)部(bu)針對復雜地(di)(di)質(zhi)條件(jian)，不斷優化施工(gong)(gong)(gong)設(she)計(ji)，嚴格現場(chang)施工(gong)(gong)(gong)管理，對特殊地(di)(di)段及時調整施工(gong)(gong)(gong)方案，時刻抓(zhua)好施工(gong)(gong)(gong)過(guo)程中(zhong)的安全(quan)質(zhi)量工(gong)(gong)(gong)作，確保了工(gong)(gong)(gong)程順利提前貫通(tong)。