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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??(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??(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??(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)??。??。