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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　本?(ben)報??(bao)訊??(xun)(記?(ji)者??(zhe) 金??(jin)志??(zhi)剛??(gang)) 記??(ji)者??(zhe)從??(cong)中??(zhong)國??(guo)鐵??(tie)路??(lu)上??(shang)海?(hai)局??(ju)集??(ji)團??(tuan)有??(you)限??(xian)公??(gong)司??(si)獲??(huo)悉??(xi)??，昨?(zuo)天??(tian)下??(xia)午??(wu)4時??(shi)18分??(fen)??，在??(zai)世??(shi)界??(jie)三??(san)大??(da)強??(qiang)潮??(chao)海??(hai)灣??(wan)之??(zhi)一??(yi)的??(de)杭??(hang)州?(zhou)灣??(wan)海?(hai)平??(ping)面??(mian)上??(shang)??，隨??(sui)著??(zhe)最??(zui)后?(hou)一??(yi)車??(che)混??(hun)凝??(ning)土??(tu)灌?(guan)注??(zhu)入?(ru)杭??(hang)州??(zhou)灣??(wan)跨??(kua)海??(hai)鐵??(tie)路??(lu)橋?(qiao)北??(bei)航??(hang)道??(dao)橋??(qiao)8號??(hao)主??(zhu)塔??(ta)6號??(hao)樁??(zhuang)孔??(kong)??，標(biāo)??(biao)志??(zhi)著??(zhe)世??(shi)界?(jie)最??(zui)長??(chang)跨??(kua)海??(hai)高??(gao)速??(su)鐵??(tie)路??(lu)橋??(qiao)——南??(nan)通?(tong)至??(zhi)寧??(ning)波??(bo)高??(gao)鐵??(tie)杭??(hang)州??(zhou)灣??(wan)跨??(kua)海?(hai)鐵??(tie)路??(lu)橋??(qiao)首?(shou)個??(ge)主??(zhu)塔?(ta)墩??(dun)樁??(zhuang)基?(ji)施??(shi)工??(gong)完??(wan)成??(cheng)??，大??(da)橋??(qiao)建??(jian)設(shè)??(she)取??(qu)得??(de)階??(jie)段??(duan)性??(xing)進??(jin)展??(zhan)??。??　　杭??(hang)州??(zhou)灣??(wan)跨??(kua)海?(hai)鐵??(tie)路??(lu)橋??(qiao)是??(shi)南??(nan)通??(tong)至??(zhi)寧??(ning)波??(bo)高??(gao)鐵??(tie)關(guān)?(guan)鍵??(jian)控??(kong)制??(zhi)性??(xing)工??(gong)程??(cheng)??，采??(cai)用??(yong)無??(wu)砟??(zha)軌??(gui)道??(dao)??，設(shè)??(she)計??(ji)時??(shi)速??(su)350公??(gong)里??(li)??，全??(quan)長??(chang)29.2公?(gong)里??(li)??，共??(gong)有??(you)北??(bei)、中??(zhong)、南??(nan)三??(san)座??(zuo)航?(hang)道?(dao)橋??(qiao)和??(he)跨??(kua)大??(da)堤??(di)、海??(hai)中??(zhong)、淺?(qian)灘??(tan)區(qū)??(qu)引??(yin)橋??(qiao)??，屬??(shu)超??(chao)長??(chang)大?(da)的??(de)高??(gao)速??(su)鐵??(tie)路??(lu)橋??(qiao)梁??(liang)集??(ji)群?(qun)工??(gong)程?(cheng)??。??其??(qi)中?(zhong)北?(bei)航??(hang)道??(dao)橋??(qiao)主??(zhu)跨?(kua)為??(wei)450米??(mi)??，是??(shi)世?(shi)界??(jie)最??(zui)大??(da)跨??(kua)度??(du)無??(wu)砟??(zha)軌?(gui)道??(dao)雙??(shuang)塔??(ta)雙??(shuang)索??(suo)面??(mian)鋼??(gang)箱??(xiang)-鋼??(gang)桁??(heng)組??(zu)合??(he)梁??(liang)斜??(xie)拉??(la)橋??(qiao)；中??(zhong)航??(hang)道??(dao)橋?(qiao)主??(zhu)跨?(kua)為?(wei)2×448米??(mi)??，為??(wei)世??(shi)界??(jie)最??(zui)大??(da)跨??(kua)度??(du)無??(wu)砟??(zha)軌??(gui)道??(dao)三??(san)塔??(ta)斜??(xie)拉??(la)橋??(qiao)；南??(nan)航??(hang)道??(dao)橋??(qiao)主??(zhu)跨??(kua)為??(wei)364米??(mi)??。

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