文章來源:中國鐵路工程總公司(si) 發(fa)布(bu)時間:2010-09-14
8月(yue)28日,中國鐵(tie)(tie)路工程總(zong)公(gong)司所屬中鐵(tie)(tie)大(da)(da)橋(qiao)(qiao)(qiao)局施工的(de)贛州(zhou)章江大(da)(da)橋(qiao)(qiao)(qiao)主(zhu)橋(qiao)(qiao)(qiao)鋼管拱(gong)(gong)主(zhu)拱(gong)(gong)勝(sheng)利合龍。該橋(qiao)(qiao)(qiao)是(shi)贛州(zhou)市(shi)(shi)重點工程,是(shi)一(yi)座(zuo)集城市(shi)(shi)交通和城市(shi)(shi)景觀功(gong)能于(yu)一(yi)體(ti)的(de)城市(shi)(shi)主(zhu)干道橋(qiao)(qiao)(qiao)梁,跨越章江連接(jie)河套(tao)老城區和章江新(xin)城區,章江大(da)(da)橋(qiao)(qiao)(qiao)全橋(qiao)(qiao)(qiao)鋼管拱(gong)(gong)主(zhu)拱(gong)(gong)和平衡拱(gong)(gong)共21個(ge)節段(duan),采(cai)用整體(ti)節段(duan)拼裝,總(zong)重量為800噸,全長(chang)1352米,采(cai)用MG40噸門(men)式起重吊機架(jia)設(she),制、運、架(jia)工序復雜(za),施工難度大(da)(da)。主(zhu)橋(qiao)(qiao)(qiao)長(chang)254米,主(zhu)跨158米,采(cai)用三跨飛燕式異形鋼管拱(gong)(gong),設(she)計先進(jin)、技術含量高,堪(kan)稱結構新(xin)穎(ying)、造型(xing)(xing)美觀的(de)橋(qiao)(qiao)(qiao)梁,獨(du)特之(zhi)處在于(yu)全橋(qiao)(qiao)(qiao)居中的(de)單肋(lei)鋼管拱(gong)(gong)的(de)兩側之(zhi)上各增(zeng)加了一(yi)個(ge)平衡拱(gong)(gong),其橋(qiao)(qiao)(qiao)型(xing)(xing)、跨度在國內居首位。