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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道

精彩|　　據(jù)??(ju)介??(jie)紹??(shao)??，G3銅??(tong)陵??(ling)長(zhǎng)??(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(diǎn)??(dian)??。??大??(da)橋??(qiao)路??(lu)線??(xian)全??(quan)長(zhǎng)??(chang)11.88公??(gong)里?(li)??，其??(qi)中??(zhong)跨??(kua)江??(jiang)主??(zhu)橋??(qiao)長(zhǎng)??(chang)1505米??(mi)??，主??(zhu)跨??(kua)長(zhǎng)??(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(guò)??(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(jiān)??(jian)實(shí)??(shi)基??(ji)礎(chǔ)??(chu)???！　?jù)??(ju)了??(le)解??(jie)?，先??(xian)導(dǎo)??(dao)索??(suo)是??(shi)一?(yi)根??(gen)長(zhǎng)??(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(guò)??(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(tái)??(tai))和??(he)主??(zhu)纜??(lan)???！敝??(zhong)鐵??(tie)大??(da)橋??(qiao)局??(ju)G3大??(da)橋?(qiao)項(xiàng)??(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(shuō)??(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(lái)??(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(guò)??(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)??。”

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