文(wen)章來源:中國鐵路工程總公司 發布時間:2010-09-14
8月28日,中國鐵路工(gong)程總公司所屬中鐵大(da)橋(qiao)(qiao)(qiao)局施工(gong)的(de)贛州(zhou)章(zhang)江(jiang)大(da)橋(qiao)(qiao)(qiao)主(zhu)(zhu)橋(qiao)(qiao)(qiao)鋼(gang)管(guan)拱(gong)(gong)主(zhu)(zhu)拱(gong)(gong)勝利合龍(long)。該橋(qiao)(qiao)(qiao)是(shi)贛州(zhou)市(shi)重(zhong)點工(gong)程,是(shi)一(yi)座(zuo)集(ji)城(cheng)市(shi)交通和城(cheng)市(shi)景觀(guan)功能于(yu)一(yi)體(ti)的(de)城(cheng)市(shi)主(zhu)(zhu)干道橋(qiao)(qiao)(qiao)梁(liang),跨(kua)越(yue)章(zhang)江(jiang)連接河套老城(cheng)區和章(zhang)江(jiang)新(xin)城(cheng)區,章(zhang)江(jiang)大(da)橋(qiao)(qiao)(qiao)全橋(qiao)(qiao)(qiao)鋼(gang)管(guan)拱(gong)(gong)主(zhu)(zhu)拱(gong)(gong)和平衡拱(gong)(gong)共21個節(jie)段,采(cai)(cai)用(yong)整體(ti)節(jie)段拼(pin)裝(zhuang),總重(zhong)量(liang)為(wei)800噸,全長(chang)(chang)1352米(mi)(mi),采(cai)(cai)用(yong)MG40噸門式起重(zhong)吊機架(jia)設(she),制、運、架(jia)工(gong)序復雜,施工(gong)難度大(da)。主(zhu)(zhu)橋(qiao)(qiao)(qiao)長(chang)(chang)254米(mi)(mi),主(zhu)(zhu)跨(kua)158米(mi)(mi),采(cai)(cai)用(yong)三跨(kua)飛燕式異形(xing)鋼(gang)管(guan)拱(gong)(gong),設(she)計先進、技術含量(liang)高,堪稱結構新(xin)穎、造型(xing)(xing)美觀(guan)的(de)橋(qiao)(qiao)(qiao)梁(liang),獨特之處在于(yu)全橋(qiao)(qiao)(qiao)居中的(de)單(dan)肋(lei)鋼(gang)管(guan)拱(gong)(gong)的(de)兩側(ce)之上各增加(jia)了(le)一(yi)個平衡拱(gong)(gong),其橋(qiao)(qiao)(qiao)型(xing)(xing)、跨(kua)度在國內居首位(wei)。