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原標(biāo)題：人妻白嫩肥臀高高翘起

學(xué)習(xí)快評(píng)丨qibao666888　　中?(zhong)新?(xin)網(wǎng)??(wang)汕??(shan)頭??(tou)3月?(yue)26日??(ri)電??(dian)(記??(ji)者??(zhe) 李??(li)怡??(yi)青?(qing))26日??(ri)廣??(guang)東??(dong)汕??(shan)頭??(tou)灣??(wan)海??(hai)底??(di)68米??(mi)深??(shen)處??(chu)??，隨??(sui)著??(zhe)“永??(yong)平??(ping)號(hào)??(hao)”盾??(dun)構(gòu)??(gou)機(jī)?(ji)近??(jin)5層??(ceng)樓??(lou)高??(gao)的?(de)直??(zhi)徑??(jing)為??(wei)14.57m的??(de)刀??(dao)盤(pán)?(pan)破??(po)巖??(yan)而??(er)出??(chu)??。??標(biāo)??(biao)志??(zhi)著??(zhe)世??(shi)界??(jie)首??(shou)座??(zuo)設(shè)??(she)計(jì)??(ji)時(shí)??(shi)速??(su)350公??(gong)里??(li)單??(dan)洞??(dong)雙??(shuang)線(xiàn)?(xian)高??(gao)鐵??(tie)海??(hai)底??(di)隧??(sui)道??(dao)——汕??(shan)汕??(shan)高??(gao)鐵??(tie)汕??(shan)頭??(tou)灣?(wan)海??(hai)底??(di)隧??(sui)道??(dao)成??(cheng)功??(gong)貫??(guan)通??(tong)??。　　據(jù)??(ju)介??(jie)紹??(shao)??，汕??(shan)頭??(tou)灣??(wan)海??(hai)底??(di)隧??(sui)道??(dao)全??(quan)長(zhǎng)??(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(guò)??(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)??(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(guó)??(guo)內(nèi)?(nei)外??(wai)罕??(han)見(jiàn)??(jian)??，被??(bei)國(guó)??(guo)鐵??(tie)集??(ji)團(tuán)??(tuan)認(rèn)??(ren)定??(ding)為??(wei)國(guó)??(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(kāi)??(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)?。。