文(wen)章(zhang)來源:中國鐵(tie)路工程總公司 發布時間:2010-09-14
8月28日,中(zhong)(zhong)國鐵路(lu)工程總(zong)公司所屬中(zhong)(zhong)鐵大橋(qiao)局(ju)施工的(de)贛州章(zhang)(zhang)江大橋(qiao)主(zhu)橋(qiao)鋼(gang)(gang)(gang)管(guan)拱(gong)(gong)(gong)主(zhu)拱(gong)(gong)(gong)勝利合(he)龍。該(gai)橋(qiao)是(shi)贛州市(shi)重點工程,是(shi)一(yi)(yi)座(zuo)集城(cheng)市(shi)交通和(he)城(cheng)市(shi)景觀功能于(yu)一(yi)(yi)體的(de)城(cheng)市(shi)主(zhu)干道橋(qiao)梁,跨越章(zhang)(zhang)江連接(jie)河(he)套老城(cheng)區(qu)(qu)和(he)章(zhang)(zhang)江新(xin)(xin)城(cheng)區(qu)(qu),章(zhang)(zhang)江大橋(qiao)全橋(qiao)鋼(gang)(gang)(gang)管(guan)拱(gong)(gong)(gong)主(zhu)拱(gong)(gong)(gong)和(he)平衡拱(gong)(gong)(gong)共21個節段(duan),采用(yong)整體節段(duan)拼(pin)裝,總(zong)重量為800噸,全長(chang)1352米,采用(yong)MG40噸門式(shi)起重吊機架(jia)設,制(zhi)、運、架(jia)工序復(fu)雜,施工難度大。主(zhu)橋(qiao)長(chang)254米,主(zhu)跨158米,采用(yong)三跨飛(fei)燕(yan)式(shi)異形鋼(gang)(gang)(gang)管(guan)拱(gong)(gong)(gong),設計先進(jin)、技(ji)術含(han)量高,堪稱(cheng)結構(gou)新(xin)(xin)穎、造(zao)型(xing)美觀的(de)橋(qiao)梁,獨特之(zhi)處在(zai)于(yu)全橋(qiao)居中(zhong)(zhong)的(de)單肋(lei)鋼(gang)(gang)(gang)管(guan)拱(gong)(gong)(gong)的(de)兩側之(zhi)上(shang)各增加了一(yi)(yi)個平衡拱(gong)(gong)(gong),其橋(qiao)型(xing)、跨度在(zai)國內居首位。