石家莊市(shi)城市(shi)軌道(dao)交(jiao)通一期工(gong)程電力管線遷改工(gong)程四標段中標價306.73萬(wan)元,包括深(shen)8m二襯隧道(dao)井(jing)5座,1.8m*2.2m雙襯隧道(dao)50.9m,2m*2.3m雙襯隧道(dao)63.25m。隧道(dao)采(cai)用了暗挖法(fa)施(shi)工(gong),鋼筋網、鋼拱架組成(cheng)初期支護與(yu)二次(ci)模筑(zhu)混凝(ning)土(tu)相結合的復(fu)合襯砌型式(shi)。