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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道

精彩|　　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(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??(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)???！薄　?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(diǎn)?(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(jiān)??(jian)實(shí)??(shi)基??(ji)礎(chǔ)??(chu)??。

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