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學習快評丨qibao666888　　汕??(shan)頭??(tou)灣??(wan)海?(hai)底??(di)隧?(sui)道??(dao)貫??(guan)通??(tong)??，創(chuàng)??(chuang)造?(zao)了??(le)多??(duo)項??(xiang)紀?(ji)錄??(lu)：世??(shi)界??(jie)首??(shou)座??(zuo)設??(she)計??(ji)時?(shi)速??(su)350km單?(dan)洞??(dong)雙??(shuang)線??(xian)高??(gao)速??(su)鐵??(tie)路??(lu)海??(hai)底??(di)隧??(sui)道??(dao)、世??(shi)界??(jie)已??(yi)貫??(guan)通??(tong)最??(zui)大??(da)開??(kai)挖??(wa)直??(zhi)徑??(jing)鐵??(tie)路祝(lu)海??(hai)底??(di)隧?(sui)道??(dao)、國??(guo)內??(nei)穿??(chuan)越??(yue)活??(huo)動??(dong)斷??(duan)層??(ceng)最??(zui)多?(duo)的??(de)鐵??(tie)路??(lu)海??(hai)底?(di)隧??(sui)道??(dao)、國??(guo)內?(nei)開??(kai)通??(tong)水??(shui)壓??(ya)最??(zui)大??(da)的??(de)海??(hai)底??(di)隧??(sui)道??(dao)秘。??　　據??(ju)介??(jie)紹??(shao)??，汕??(shan)頭??(tou)灣?(wan)海??(hai)底??(di)隧??(sui)道??(dao)全??(quan)長??(chang)9781米??(mi)??，橫??(heng)跨?(kua)汕??(shan)頭?(tou)灣?(wan)主??(zhu)航?(hang)道??(dao)海??(hai)域??(yu)??，洞??(dong)身??(shen)穿??(chuan)越??(yue)17處??(chu)斷??(duan)層??(ceng)破??(po)碎??(sui)帶祝(dai)(含??(han)8處??(chu)活??(huo)動??(dong)斷??(duan)層??(ceng))??，建??(jian)設??(she)過??(guo)程??(cheng)中??(zhong)要??(yao)克??(ke)服??(fu)8級??(ji)高??(gao)烈??(lie)度??(du)地?(di)震??(zhen)、近??(jin)百??(bai)米??(mi)超??(chao)高??(gao)水??(shui)壓?(ya)、高??(gao)氯??(lv)鹽??(yan)侵??(qin)蝕??(shi)??，多??(duo)斷??(duan)層??(ceng)構??(gou)造??(zao)??，地?(di)層??(ceng)軟??(ruan)硬??(ying)不??(bu)均??(jun)、極??(ji)硬??(ying)巖??(yan)等??(deng)世??(shi)界??(jie)級??(ji)施?(shi)工??(gong)難?(nan)題??(ti)??，施??(shi)工??(gong)稍??(shao)有??(you)不??(bu)慎??(shen)??，極??(ji)易??(yi)引??(yin)發(fā)??(fa)海?(hai)水?(shui)滲?(shen)透??(tou)??，甚??(shen)至??(zhi)海??(hai)水??(shui)大??(da)量??(liang)涌??(yong)入??(ru)導??(dao)致??(zhi)隧??(sui)道??(dao)結??(jie)構??(gou)失??(shi)穩(wěn)??(wen)和??(he)坍??(tan)塌??(ta)廢??(fei)棄??(qi)等??(deng)風??(feng)險??(xian)??，安??(an)全??(quan)不?(bu)容??(rong)有??(you)失??(shi)??。??同??(tong)時??(shi)??，盾??(dun)構??(gou)機??(ji)在??(zai)高??(gao)達??(da)200MPa抗??(kang)壓??(ya)強??(qiang)度??(du)的??(de)極?(ji)硬??(ying)花??(hua)崗??(gang)巖??(yan)地??(di)層??(ceng)掘??(jue)進??(jin)??，施??(shi)工??(gong)難??(nan)度?(du)國??(guo)內??(nei)外??(wai)罕??(han)見??(jian)??，被??(bei)國??(guo)鐵??(tie)集??(ji)團??(tuan)認??(ren)定?(ding)為?(wei)國??(guo)內??(nei)在??(zai)建?(jian)風??(feng)險??(xian)最??(zui)高?(gao)、難??(nan)度??(du)最??(zui)大??(da)的??(de)隧??(sui)道?(dao)之??(zhi)一??(yi)??。為??(wei)此?(ci)??，工??(gong)程??(cheng)建??(jian)設??(she)團??(tuan)隊??(dui)根??(gen)據??(ju)地??(di)質??(zhi)情??(qing)況??(kuang)??，采??(cai)用??(yong)陸??(lu)域??(yu)礦?(kuang)山??(shan)法??(fa)、海??(hai)域??(yu)礦??(kuang)山?(shan)法?(fa)、明??(ming)挖??(wa)敞??(chang)開??(kai)法??(fa)、明??(ming)挖?(wa)暗??(an)埋??(mai)法?(fa)、盾??(dun)構??(gou)掘??(jue)進??(jin)法??(fa)、盾??(dun)構??(gou)空??(kong)推??(tui)法??(fa)等??(deng)6種??(zhong)工??(gong)法??(fa)組??(zu)織??(zhi)隧?(sui)道??(dao)施??(shi)工?(gong)??。。