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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　據(jù)??(ju)介??(jie)紹??(shao)?，G3銅??(tong)陵??(ling)長??(chang)江??(jiang)公??(gong)鐵??(tie)大??(da)橋??(qiao)具?(ju)有??(you)“跨??(kua)度??(du)大??(da)、荷??(he)載??(zai)重??(zhong)、結(jié)??(jie)構(gòu)?(gou)新??(xin)”的?(de)特??(te)點??(dian)??。??大??(da)橋??(qiao)路??(lu)線??(xian)全??(quan)長??(chang)11.88公??(gong)里??(li)?，其??(qi)中??(zhong)跨??(kua)江??(jiang)主??(zhu)橋??(qiao)長??(chang)1505米??(mi)?，主??(zhu)跨??(kua)長??(chang)988米??(mi)?，是??(shi)世??(shi)界??(jie)首??(shou)座??(zuo)雙??(shuang)層??(ceng)斜?(xie)拉??(la)——懸??(xuan)索??(suo)協(xié)??(xie)作??(zuo)體??(ti)系??(xi)大??(da)橋??(qiao)?，建??(jian)設(shè)??(she)難??(nan)度??(du)大??(da)?，先??(xian)導(dǎo)??(dao)索??(suo)順?(shun)利??(li)過??(guo)江??(jiang)?，為?(wei)后??(hou)續(xù)??(xu)主??(zhu)纜??(lan)及??(ji)鋼??(gang)梁??(liang)架?(jia)設(shè)??(she)等??(deng)上??(shang)部??(bu)結(jié)??(jie)構(gòu)??(gou)主??(zhu)體??(ti)施??(shi)工??(gong)奠??(dian)定?(ding)了??(le)堅??(jian)實??(shi)基??(ji)礎(chǔ)??(chu)??。　　據(jù)??(ju)了??(le)解??(jie)??，先??(xian)導(dǎo)?(dao)索??(suo)是??(shi)一??(yi)根??(gen)長??(chang)2000米?(mi)、直??(zhi)徑??(jing)22毫??(hao)米??(mi)的??(de)高??(gao)強(qiáng)?(qiang)度??(du)鋼??(gang)絲??(si)繩??(sheng)??。??“先??(xian)導(dǎo)??(dao)索??(suo)過??(guo)江??(jiang)后??(hou)??，將??(jiang)形??(xing)成??(cheng)牽??(qian)引??(yin)系??(xi)統(tǒng)??(tong)??。牽??(qian)引??(yin)系??(xi)統(tǒng)??(tong)是??(shi)G3大??(da)橋??(qiao)上?(shang)部??(bu)結(jié)??(jie)構(gòu)??(gou)施??(shi)工??(gong)的??(de)重??(zhong)要??(yao)組??(zu)成??(cheng)部??(bu)分??(fen)??，主??(zhu)要?(yao)用??(yong)于??(yu)架??(jia)設(shè)??(she)貓??(mao)道?(dao)(相??(xiang)當(dāng)??(dang)于??(yu)空??(kong)中??(zhong)作??(zuo)業(yè)?(ye)平??(ping)臺??(tai))和??(he)主??(zhu)纜??(lan)???！敝??(zhong)鐵??(tie)大??(da)橋??(qiao)局?(ju)G3大??(da)橋??(qiao)項??(xiang)目?(mu)部??(bu)一??(yi)分??(fen)部??(bu)副??(fu)總?(zong)工??(gong)程??(cheng)師??(shi)鄒??(zou)端??(duan)說??(shuo)??，“下??(xia)一??(yi)步??(bu)??，我??(wo)們??(men)將?(jiang)利??(li)用??(yong)先??(xian)導(dǎo)??(dao)索??(suo)來??(lai)回??(hui)拉??(la)拽??(zhuai)牽??(qian)引??(yin)??，將??(jiang)一??(yi)根??(gen)根??(gen)貓??(mao)道??(dao)繩?(sheng)拉??(la)過?(guo)江??(jiang)??，搭??(da)起??(qi)空??(kong)中??(zhong)跨??(kua)江??(jiang)施??(shi)工??(gong)‘棧??(zhan)橋??(qiao)’??，為??(wei)主??(zhu)纜??(lan)索??(suo)股?(gu)架??(jia)設(shè)?(she)提?(ti)供??(gong)條?(tiao)件??(jian)???！?/p>

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