富二代国产app

        近(jin)日，青島地鐵2號線一期工(gong)(gong)程環(huan)城南(nan)路站(zhan)暗挖主體(ti)工(gong)(gong)程已(yi)進入(ru)主體(ti)結構襯(chen)砌(qi)小邊墻混凝土施工(gong)(gong)階段。

        環城南路站(zhan)暗挖(wa)段總長172m，采用五臺(tai)階礦山法開挖(wa)工(gong)(gong)藝，標準斷(duan)面開挖(wa)尺寸21.5m×19.5m。車(che)站(zhan)大里程段74m為(wei)(wei)單拱直(zhi)(zhi)墻馬蹄(ti)形(xing)仰拱襯(chen)砌斷(duan)面，全包防水；車(che)站(zhan)小里程段98m為(wei)(wei)單拱直(zhi)(zhi)墻馬蹄(ti)形(xing)底(di)板襯(chen)砌斷(duan)面，排(pai)水型車(che)站(zhan)。目前(qian)車(che)站(zhan)上臺(tai)階開挖(wa)完成，下臺(tai)階及時跟進，為(wei)(wei)確保施(shi)工(gong)(gong)安全，已(yi)加快主(zhu)體結(jie)構混凝(ning)土施(shi)工(gong)(gong)。