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學(xué)習(xí)快評丨qibao666888　　汕??(shan)汕??(shan)高?(gao)鐵??(tie)是??(shi)國??(guo)家??(jia)“八??(ba)縱??(zong)八??(ba)橫??(heng)”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)??，線??(xian)路??(lu)起??(qi)自??(zi)汕??(shan)頭??(tou)站??(zhan)??，途??(tu)經(jīng)??(jing)汕??(shan)頭??(tou)市??(shi)、揭??(jie)陽??(yang)市??(shi)、汕??(shan)尾??(wei)市??(shi)??，終??(zhong)至??(zhi)汕??(shan)尾??(wei)站??(zhan)??，正??(zheng)線??(xian)全??(quan)長??(chang)162公??(gong)里??(li)??，設(shè)??(she)計(jì)??(ji)時(shí)?(shi)速??(su)350公??(gong)里??(li)??。??該??(gai)項(xiàng)?(xiang)目??(mu)汕?(shan)尾??(wei)至??(zhi)汕??(shan)頭??(tou)南??(nan)段??(duan)已??(yi)于??(yu)2023年??(nian)12月?(yue)開??(kai)通?(tong)運(yùn)??(yun)營??(ying)???！　?jù)?(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??(dai)(含??(han)8處??(chu)活??(huo)動(dòng)??(dong)斷??(duan)層??(ceng))??，建??(jian)設(shè)??(she)過??(guo)程?(cheng)中??(zhong)要??(yao)克??(ke)服??(fu)8級(jí)?(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(gòu)??(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(jí)??(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(dǎo)??(dao)致??(zhi)隧??(sui)道??(dao)結(jié)??(jie)構(gòu)??(gou)失??(shi)穩(wěn)祝(wen)和??(he)坍?(tan)塌??(ta)廢??(fei)棄??(qi)等??(deng)風(fēng)??(feng)險(xiǎn)??(xian)??，安??(an)全??(quan)不??(bu)容??(rong)有??(you)失??(shi)?。??同?(tong)時(shí)??(shi)??，盾??(dun)構(gòu)??(gou)機(jī)??(ji)在??(zai)高??(gao)達(dá)??(da)200MPa抗??(kang)壓??(ya)強(qiáng)??(qiang)度??(du)的??(de)極??(ji)硬?(ying)花??(hua)崗?(gang)巖??(yan)地??(di)層??(ceng)掘?(jue)進(jìn)??(jin)??，施??(shi)工??(gong)難??(nan)度??(du)國??(guo)內(nèi)??(nei)外??(wai)罕??(han)見??(jian)??，被??(bei)國??(guo)鐵??(tie)集?(ji)團(tuán)??(tuan)認(rèn)??(ren)定??(ding)為??(wei)國??(guo)內(nèi)??(nei)在??(zai)建??(jian)風(fēng)??(feng)險(xiǎn)??(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(shè)??(she)團(tuán)??(tuan)隊(duì)??(dui)根??(gen)據(jù)??(ju)地??(di)質(zhì)??(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(gòu)??(gou)掘??(jue)進(jìn)?(jin)法??(fa)、盾??(dun)構(gòu)??(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)?。。