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膠州灣大橋膠州連接線跨主線鋼箱梁合龍

發布日期:2019-06-24查看:
   ;   6月(yue)17日，由(you)集團公(gong)司(si)承(cheng)建(jian)的膠州灣大(da)橋膠州連接線項(xiang)目跨(kua)主線鋼箱(xiang)梁(liang)頂(ding)推工程合龍，為項(xiang)目順利建(jian)成通車奠定了堅實(shi)基礎(chu)。膠(jiao)(jiao)州(zhou)連接線(xian)工(gong)(gong)(gong)程跨(kua)主線(xian)鋼箱(xiang)梁(liang)跨(kua)徑為49米(mi)+60米(mi)+49米(mi)，是膠(jiao)(jiao)州(zhou)連接線(xian)控制性(xing)工(gong)(gong)(gong)程。工(gong)(gong)(gong)程采用雙向頂推、跨(kua)中合(he)龍施(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝，特別是在省內首(shou)次采用小半(ban)徑（350米(mi)）超高鋼箱(xiang)梁(liang)彎橋雙向頂推設(she)計(ji)與施(shi)工(gong)(gong)(gong)，具有不(bu)侵占膠(jiao)(jiao)州(zhou)灣大橋主線(xian)空間、不(bu)影(ying)響主線(xian)車輛正常通(tong)行等優點，對相似跨(kua)線(xian)工(gong)(gong)(gong)程項(xiang)目的組織實施(shi)具有較強指導意義。