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學(xué)習(xí)快評丨qibao666888　　3月??(yue)26日??(ri)??，我??(wo)國??(guo)高??(gao)速??(su)鐵??(tie)路??(lu)網(wǎng)??(wang)沿??(yan)海??(hai)通??(tong)道??(dao)的??(de)重??(zhong)要??(yao)組?(zu)成??(cheng)部??(bu)分??(fen)——汕??(shan)汕??(shan)高??(gao)鐵??(tie)迎??(ying)來??(lai)新??(xin)進??(jin)展??(zhan)：汕?(shan)頭??(tou)至??(zhi)汕??(shan)頭??(tou)南??(nan)段?(duan)關(guān)??(guan)鍵?(jian)控??(kong)制??(zhi)性??(xing)工??(gong)程??(cheng)汕??(shan)頭?(tou)灣??(wan)海?(hai)底??(di)隧??(sui)道?(dao)成??(cheng)功??(gong)貫??(guan)通??(tong)??，這??(zhe)也??(ye)是??(shi)我??(wo)國??(guo)首??(shou)座??(zuo)設(shè)??(she)計??(ji)時?(shi)速??(su)350公??(gong)里??(li)、單?(dan)洞??(dong)雙??(shuang)線??(xian)的??(de)高??(gao)鐵??(tie)海??(hai)底??(di)隧?(sui)道??(dao)??。??　　汕??(shan)頭??(tou)灣??(wan)海??(hai)底??(di)隧??(sui)道??(dao)全??(quan)長??(chang)9781米??(mi)??，最??(zui)深??(shen)處??(chu)距??(ju)離??(li)海??(hai)面??(mian)98.5米??(mi)??，所??(suo)處??(chu)海??(hai)域??(yu)位??(wei)于??(yu)8度??(du)高??(gao)烈??(lie)度??(du)地??(di)震?(zhen)區(qū)??(qu)??，隧??(sui)道?(dao)共??(gong)需??(xu)要??(yao)穿??(chuan)越??(yue)17條??(tiao)斷??(duan)層??(ceng)破??(po)碎??(sui)帶??(dai)??，其??(qi)中??(zhong)??，盾?(dun)構(gòu)??(gou)段??(duan)既??(ji)要??(yao)穿??(chuan)越??(yue)長??(chang)距??(ju)離??(li)的??(de)堅?(jian)硬??(ying)花?(hua)崗??(gang)巖??(yan)地??(di)層??(ceng)??，礦?(kuang)山??(shan)段??(duan)又??(you)要??(yao)解??(jie)決??(jue)穿??(chuan)越??(yue)僅??(jin)2米??(mi)多??(duo)覆??(fu)巖??(yan)的??(de)軟??(ruan)弱??(ruo)地??(di)層??(ceng)難??(nan)題??(ti)??，建?(jian)設(shè)??(she)難?(nan)度??(du)大??(da)??，施??(shi)工??(gong)工??(gong)藝??(yi)復(fù)??(fu)雜??(za)?。??歷?(li)經(jīng)??(jing)5年??(nian)左??(zuo)右??(you)的??(de)時??(shi)間??(jian)建??(jian)設(shè)??(she)??，汕??(shan)頭??(tou)灣??(wan)海??(hai)底??(di)隧??(sui)道??(dao)為??(wei)我??(wo)國??(guo)高??(gao)鐵??(tie)海??(hai)域??(yu)隧??(sui)道??(dao)建??(jian)設(shè)??(she)積??(ji)累??(lei)了??(le)有??(you)益??(yi)經(jīng)??(jing)驗??(yan)?。。