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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(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??(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)??。”中??(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)中?(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)總??(zong)工??(gong)程??(cheng)師??(shi)宋?(song)海?(hai)濤??(tao)介??(jie)紹??(shao)??，本??(ben)次??(ci)先??(xian)導(dǎo)??(dao)索??(suo)過??(guo)江??(jiang)采?(cai)用??(yong)水??(shui)上??(shang)拖??(tuo)輪??(lun)牽??(qian)引??(yin)法??(fa)??。??在??(zai)蕪??(wu)湖??(hu)海?(hai)事?(shi)局?(ju)7艘??(sou)海??(hai)巡??(xun)艇??(ting)的??(de)全??(quan)程??(cheng)護(hù)?(hu)航??(hang)下??(xia)??，由??(you)一??(yi)艘??(sou)1200匹??(pi)馬??(ma)力?(li)的??(de)拖??(tuo)輪??(lun)將??(jiang)先??(xian)導(dǎo)??(dao)索??(suo)從?(cong)北??(bei)岸??(an)拖??(tuo)拽??(zhuai)至??(zhi)南??(nan)岸??(an)與??(yu)引??(yin)索?(suo)相??(xiang)連??(lian)??，最??(zui)后??(hou)啟??(qi)動(dòng)??(dong)南??(nan)北??(bei)主??(zhu)塔?(ta)的??(de)卷??(juan)揚(yáng)??(yang)機(jī)??(ji)將??(jiang)導(dǎo)??(dao)索??(suo)最??(zui)低?(di)點(diǎn)??(dian)提??(ti)升??(sheng)至??(zhi)離?(li)江?(jiang)面??(mian)75米?(mi)的??(de)高??(gao)空??(kong)??。整??(zheng)個(gè)??(ge)過?(guo)程??(cheng)中??(zhong)需??(xu)避??(bi)免??(mian)先??(xian)導(dǎo)??(dao)索??(suo)沉??(chen)底??(di)被?(bei)水??(shui)下??(xia)障??(zhang)礙??(ai)物??(wu)纏??(chan)繞??(rao)等??(deng)危??(wei)險(xiǎn)??(xian)??，所??(suo)以??(yi)在??(zai)牽??(qian)引??(yin)過??(guo)程??(cheng)中??(zhong)卷??(juan)揚(yáng)??(yang)機(jī)??(ji)的?(de)速??(su)度??(du)和??(he)駁?(bo)船??(chuan)的??(de)速??(su)度??(du)需??(xu)嚴(yán)??(yan)格??(ge)把??(ba)控??(kong)??。

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