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　　據??(ju)了??(le)解??(jie)?，沉?(chen)管??(guan)接??(jie)頭??(tou)修?(xiu)復??(fu)是??(shi)業(yè)??(ye)界??(jie)公??(gong)認??(ren)的??(de)難??(nan)題??(ti)?。??針??(zhen)對??(dui)沉??(chen)管??(guan)結??(jie)構??(gou)特??(te)點??(dian)?，上??(shang)海??(hai)城??(cheng)投??(tou)公??(gong)路??(lu)投??(tou)資??(zi)(集??(ji)團??(tuan))有??(you)限??(xian)公??(gong)司??(si)組??(zu)織??(zhi)上??(shang)海??(hai)隧??(sui)道??(dao)設??(she)計??(ji)院?(yuan)、隧??(sui)道??(dao)股??(gu)份??(fen)上??(shang)海??(hai)隧??(sui)道??(dao)、同?(tong)濟?(ji)大??(da)學??(xue)組??(zu)建??(jian)技??(ji)術??(shu)專??(zhuan)家??(jia)團??(tuan)隊祝(dui)?，突??(tu)破??(po)性?(xing)首??(shou)創(chuàng)??(chuang)“內??(nei)置??(zhi)式??(shi)接??(jie)頭??(tou)修??(xiu)復??(fu)加??(jia)固??(gu)技??(ji)術??(shu)”?。工??(gong)程?(cheng)團??(tuan)隊?(dui)對??(dui)沉??(chen)管??(guan)段??(duan)736米??(mi)隧??(sui)道??(dao)內??(nei)部??(bu)結??(jie)構?(gou)完??(wan)成??(cheng)修??(xiu)復??(fu)?。該??(gai)技??(ji)術??(shu)方??(fang)案??(an)基??(ji)于??(yu)端??(duan)鋼??(gang)殼??(ke)激??(ji)光??(guang)定?(ding)位??(wei)與??(yu)結?(jie)構??(gou)動??(dong)態(tài)??(tai)監(jiān)??(jian)測??(ce)?，創(chuàng)??(chuang)新??(xin)構秘(gou)建??(jian)三??(san)重??(zhong)止??(zhi)水??(shui)防??(fang)御??(yu)體??(ti)系??(xi)?，在??(zai)沉??(chen)管??(guan)隧??(sui)道??(dao)修??(xiu)復??(fu)領??(ling)域??(yu)中??(zhong)尚??(shang)屬??(shu)首??(shou)例??(li)?，具??(ju)有??(you)極??(ji)高??(gao)的??(de)技??(ji)術?(shu)挑秘(tiao)戰(zhàn)??(zhan)?。據??(ju)悉??(xi)?，修??(xiu)復??(fu)后??(hou)的??(de)沉??(chen)管??(guan)接??(jie)頭??(tou)耐??(nai)久??(jiu)性??(xing)顯??(xian)著??(zhu)提??(ti)升??(sheng)?，為??(wei)長??(chang)三??(san)角??(jiao)軟??(ruan)土??(tu)地??(di)基??(ji)沉??(chen)管??(guan)隧??(sui)道??(dao)的??(de)治??(zhi)理?(li)樹??(shu)立??(li)了??(le)技??(ji)術??(shu)標??(biao)桿??(gan)??！　≈??(zhong)新??(xin)網??(wang)上??(shang)海??(hai)3月??(yue)22日??(ri)電??(dian) (記??(ji)者??(zhe) 陳??(chen)靜??(jing))歷??(li)時??(shi)365天?(tian)??，上?(shang)海??(hai)S20外??(wai)環(huán)??(huan)隧??(sui)道??(dao)大??(da)修??(xiu)工??(gong)程??(cheng)正??(zheng)式??(shi)完??(wan)工??(gong)??，22日??(ri)該??(gai)隧??(sui)道??(dao)恢??(hui)復??(fu)通??(tong)車??(che)??。??。