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學習快評丨qibao666888　　珠?(zhu)江??(jiang)四??(si)線??(xian)特??(te)大??(da)橋??(qiao)建??(jian)成??(cheng)后?(hou)??，將??(jiang)與??(yu)珠??(zhu)江??(jiang)東??(dong)岸?(an)已??(yi)貫??(guan)通??(tong)的??(de)橋??(qiao)梁??(liang)段??(duan)共?(gong)同??(tong)構??(gou)成??(cheng)廣??(guang)湛??(zhan)高??(gao)鐵??(tie)過??(guo)江??(jiang)通??(tong)道??(dao)??。??作??(zuo)為??(wei)國??(guo)家??(jia)“八??(ba)縱??(zong)八??(ba)橫?(heng)”高??(gao)鐵??(tie)網??(wang)沿??(yan)海??(hai)通??(tong)道?(dao)的??(de)重??(zhong)要??(yao)組??(zu)成??(cheng)部??(bu)分??(fen)??，廣??(guang)湛??(zhan)高??(gao)鐵秘(tie)通??(tong)車?(che)后??(hou)??，廣?(guang)州??(zhou)至??(zhi)湛??(zhan)江??(jiang)通??(tong)行?(xing)時??(shi)間??(jian)將??(jiang)縮??(suo)短??(duan)至??(zhi)1.5小??(xiao)時??(shi)??，并??(bing)通??(tong)過??(guo)銜?(xian)接??(jie)深??(shen)湛??(zhan)、合??(he)湛??(zhan)等??(deng)高?(gao)鐵??(tie)線??(xian)路??(lu)??，全??(quan)面?(mian)激?(ji)活??(huo)粵??(yue)西??(xi)與??(yu)大??(da)灣??(wan)區(qū)??(qu)核??(he)心??(xin)城??(cheng)市??(shi)的??(de)“同??(tong)城??(cheng)效??(xiao)應??(ying)”??。(完??(wan))　　珠??(zhu)江??(jiang)四??(si)線??(xian)特??(te)大??(da)橋?(qiao)正??(zheng)線??(xian)全??(quan)長??(chang)4.9公??(gong)里??(li)、聯(lián)?(lian)絡?(luo)線??(xian)4.1公?(gong)里??(li)??，區(qū)??(qu)間??(jian)兩?(liang)次??(ci)跨??(kua)越??(yue)珠??(zhu)江??(jiang)主??(zhu)航??(hang)道?(dao)??。??項??(xiang)目??(mu)位?(wei)于??(yu)廣??(guang)州??(zhou)老??(lao)城??(cheng)區(qū)??(qu)核??(he)心??(xin)地??(di)帶??(dai)??，施??(shi)工?(gong)環(huán)??(huan)境??(jing)堪??(kan)稱??(cheng)“極?(ji)限??(xian)挑??(tiao)戰(zhàn)??(zhan)”??。新??(xin)建??(jian)橋??(qiao)梁??(liang)需??(xu)在??(zai)廣??(guang)佛??(fo)放??(fang)射??(she)線??(xian)兩??(liang)線??(xian)公??(gong)路??(lu)橋??(qiao)夾??(jia)縫??(feng)中??(zhong)穿??(chuan)行??(xing)??，下??(xia)穿??(chuan)廣??(guang)州??(zhou)內??(nei)環(huán)??(huan)路??(lu)高??(gao)架??(jia)橋??(qiao)??，且??(qie)緊??(jin)鄰??(lin)運??(yun)營??(ying)中?(zhong)的??(de)地??(di)鐵??(tie)線??(xian)路?(lu)??，大??(da)橋??(qiao)施??(shi)工??(gong)建??(jian)設??(she)每??(mei)一??(yi)厘??(li)米??(mi)的??(de)位??(wei)移??(yi)都??(dou)要??(yao)精??(jing)確??(que)計??(ji)算?(suan)??，安??(an)全??(quan)風??(feng)險??(xian)系??(xi)數??(shu)位??(wei)居??(ju)中??(zhong)國??(guo)同??(tong)類??(lei)工?(gong)程??(cheng)前??(qian)列??(lie)??。。