文章(zhang)來源：中(zhong)國鐵路工(gong)程總公(gong)司 發布時間：2010-05-19
5月(yue)13日，中(zhong)國鐵路工(gong)(gong)程(cheng)總公司中(zhong)鐵五局(ju)施(shi)(shi)工(gong)(gong)的武廣客(ke)專海(hai)棠隧道主體工(gong)(gong)程(cheng)完工(gong)(gong)。海(hai)棠隧道全長2908雙線米，集斷(duan)層、溶洞、涌(yong)泥、涌(yong)水(shui)、軟弱圍巖于一身，地質構造十分復雜，軟弱圍巖占(zhan)隧道總長的80%。自開工(gong)(gong)以來(lai)，經(jing)理(li)部在(zai)生產過(guo)程(cheng)中(zhong)強(qiang)化施(shi)(shi)工(gong)(gong)管理(li)，合理(li)安(an)排施(shi)(shi)組，靈活調整施(shi)(shi)工(gong)(gong)方(fang)案，緊(jin)緊(jin)依靠科技(ji)，攻堅(jian)克難，戰勝了地質條件差(cha)、環境艱苦(ku)等重重困(kun)難，先后攻克了大(da)小溶洞209個，處理(li)70次(ci)坍方(fang)和涌(yong)泥、涌(yong)水(shui)難題，確保了安(an)全生產始終可(ke)控。