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學(xué)習(xí)快評丨qibao666888　　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(luò)??(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(nèi)??(nei)環(huán)??(huan)路??(lu)高??(gao)架??(jia)橋??(qiao)??，且??(qie)緊??(jin)鄰??(lin)運(yùn)??(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(shè)??(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(fēng)?(feng)險??(xian)系??(xi)數(shù)??(shu)位?(wei)居?(ju)中??(zhong)國??(guo)同??(tong)類??(lei)工??(gong)程??(cheng)前??(qian)列??(lie)??！　「??(geng)大??(da)的??(de)考??(kao)驗??(yan)來?(lai)自?(zi)歷??(li)史??(shi)建??(jian)筑??(zhu)保??(bao)護(hù)??(hu)??。??始??(shi)建??(jian)于??(yu)1958年??(nian)的??(de)廣??(guang)茂??(mao)鐵?(tie)路祝(lu)珠??(zhu)江??(jiang)東?(dong)西??(xi)橋??(qiao)是??(shi)廣??(guang)州??(zhou)市??(shi)首??(shou)批??(pi)歷??(li)史??(shi)建??(jian)筑??(zhu)??，承??(cheng)載??(zai)著??(zhe)羊?(yang)城??(cheng)鐵??(tie)路??(lu)發(fā)??(fa)展??(zhan)記??(ji)憶??(yi)??。項??(xiang)目?(mu)團(tuán)??(tuan)隊??(dui)創(chuàng)??(chuang)新?(xin)采??(cai)用??(yong)“新??(xin)舊?(jiu)共??(gong)生??(sheng)、時??(shi)空??(kong)對??(dui)話??(hua)”的??(de)改??(gai)造??(zao)策?(ce)略??(lve)??，對??(dui)全?(quan)橋??(qiao)執(zhí)??(zhi)行??(xing)“拆??(chai)東??(dong)保??(bao)西??(xi)、修??(xiu)新??(xin)如??(ru)舊??(jiu)”方??(fang)案??(an)??。其??(qi)中??(zhong)珠??(zhu)江??(jiang)東??(dong)橋??(qiao)原??(yuan)址??(zhi)重秘(zhong)建??(jian)??，采??(cai)用??(yong)四??(si)線??(xian)連??(lian)續(xù)??(xu)鋼?(gang)桁??(heng)梁?(liang)；新??(xin)建??(jian)珠??(zhu)江??(jiang)西??(xi)橋??(qiao)采??(cai)用??(yong)兩??(liang)聯(lián)??(lian)雙??(shuang)線??(xian)連??(lian)續(xù)??(xu)鋼??(gang)桁??(heng)梁??(liang)??，在??(zai)10米??(mi)寬??(kuan)的??(de)狹?(xia)小??(xiao)通??(tong)道?(dao)里??(li)分??(fen)幅??(fu)新??(xin)建??(jian)??，原??(yuan)廣??(guang)茂??(mao)珠??(zhu)江??(jiang)西??(xi)橋??(qiao)原??(yuan)址??(zhi)保??(bao)留??(liu)??，活??(huo)化?(hua)利?(li)用??(yong)設(shè)??(she)置??(zhi)慢??(man)行??(xing)觀??(guan)光??(guang)通??(tong)道??(dao)??。這??(zhe)樣??(yang)??，“雙?(shuang)橋??(qiao)煙??(yan)雨??(yu)”景??(jing)觀??(guan)得??(de)以??(yi)原??(yuan)貌??(mao)保??(bao)留?(liu)??，通??(tong)過??(guo)方??(fang)案??(an)優(yōu)??(you)化??(hua)設(shè)??(she)計?(ji)??，不?(bu)僅??(jin)縮??(suo)減??(jian)一??(yi)年??(nian)建??(jian)設(shè)??(she)工??(gong)期??(qi)??，更??(geng)規(guī)??(gui)避??(bi)了??(le)內(nèi)??(nei)環(huán)?(huan)路??(lu)拆??(chai)除??(chu)遷??(qian)建??(jian)的??(de)交??(jiao)通??(tong)安??(an)全??(quan)風(fēng)??(feng)險?(xian)??，這??(zhe)種??(zhong)“修??(xiu)舊??(jiu)如??(ru)新??(xin)”的??(de)智?(zhi)慧??(hui)??，使??(shi)百??(bai)年??(nian)工??(gong)業(yè)??(ye)遺??(yi)存??(cun)煥??(huan)發(fā)??(fa)新??(xin)生??(sheng)??。。