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　　2003年建成通車的外環(huán)隧道是中國(guó)首條采用沉管法施工的特大型越江隧道??，曾是上海北部地區(qū)唯一的大型貨運(yùn)車輛越江通道??。??據(jù)統(tǒng)計(jì)??，外環(huán)隧道歷年車流量峰值近3000萬(wàn)輛??，為通車初期的2.4倍??，大型貨車(含集卡)約占流量的80%??。多年來(lái)由于超負(fù)荷運(yùn)營(yíng)等各種原因??，隧道留下沉管接頭滲漏、路面損壞等“歲月痕跡”???！　≈??(zhong)新??(xin)網(wǎng)??(wang)上??(shang)海??(hai)3月??(yue)22日??(ri)電??(dian) (記??(ji)者??(zhe) 陳??(chen)靜??(jing))歷??(li)時(shí)??(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(fù)?(fu)通??(tong)車??(che)??。??　　該??(gai)工??(gong)程??(cheng)同??(tong)步??(bu)構(gòu)??(gou)建??(jian)了?(le)既??(ji)有??(you)公??(gong)路??(lu)隧??(sui)道??(dao)更??(geng)新??(xin)的??(de)成?(cheng)套??(tao)技??(ji)術(shù)??(shu)體??(ti)系??(xi)??，實(shí)??(shi)現(xiàn)??(xian)了??(le)既??(ji)有?(you)隧??(sui)道??(dao)建??(jian)管??(guan)養(yǎng)?(yang)一??(yi)體??(ti)化??(hua)智??(zhi)能??(neng)管??(guan)控??(kong)??，為??(wei)推??(tui)動(dòng)??(dong)城??(cheng)市??(shi)公??(gong)共??(gong)空??(kong)間??(jian)設(shè)??(she)施??(shi)優(yōu)??(you)化??(hua)提??(ti)供??(gong)了??(le)可??(ke)復(fù)??(fu)制??(zhi)的??(de)經(jīng)??(jing)驗(yàn)?(yan)??。??SRHKEVAFDSqibao666888　　zhong ??(zhong)xin ??(xin)wang ??(wang)shang ??(shang)hai ??(hai)3yue ??(yue)22ri ??(ri)dian ??(dian) (ji ??(ji)zhe ??(zhe) chen ??(chen)jing ??(jing))li ??(li)shi ??(shi)365tian ??(tian)??，shang ??(shang)hai ??(hai)S20wai ??(wai)huan ??(huan)sui ??(sui)dao ??(dao)da ??(da)xiu ??(xiu)gong ??(gong)cheng ??(cheng)zheng ??(zheng)shi ??(shi)wan ??(wan)gong ??(gong)??，22ri ?(ri)gai ??(gai)sui ??(sui)dao ?(dao)hui ?(hui)fu ?(fu)tong ??(tong)che ??(che)??。??　　gai ??(gai)gong ??(gong)cheng ??(cheng)tong ??(tong)bu ??(bu)gou ??(gou)jian ??(jian)le ?(le)ji ??(ji)you ??(you)gong ??(gong)lu ??(lu)sui ??(sui)dao ??(dao)geng ??(geng)xin ??(xin)de ??(de)cheng ?(cheng)tao ??(tao)ji ??(ji)shu ??(shu)ti ??(ti)xi ??(xi)??，shi ??(shi)xian ??(xian)le ??(le)ji ??(ji)you ?(you)sui ??(sui)dao ??(dao)jian ??(jian)guan ??(guan)yang ?(yang)yi ??(yi)ti ??(ti)hua ??(hua)zhi ??(zhi)neng ??(neng)guan ??(guan)kong ??(kong)??，wei ??(wei)tui ??(tui)dong ??(dong)cheng ??(cheng)shi ??(shi)gong ??(gong)gong ??(gong)kong ??(kong)jian ??(jian)she ??(she)shi ??(shi)you ??(you)hua ??(hua)ti ??(ti)gong ??(gong)le ??(le)ke ??(ke)fu ??(fu)zhi ??(zhi)de ??(de)jing ??(jing)yan ?(yan)??。??