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學(xué)習(xí)快評(píng)丨qibao666888　　西??(xi)塱??(塱)隧??(sui)道??(dao)出??(chu)口??(kou)明??(ming)挖??(wa)段??(duan)全??(quan)長(zhǎng)??(chang)660米??(mi)?，最??(zui)大??(da)開??(kai)挖??(wa)深??(shen)度??(du)達(dá)??(da)25米?(mi)?。??該??(gai)段??(duan)采??(cai)用??(yong)明??(ming)挖??(wa)順??(shun)作??(zuo)法??(fa)施??(shi)工??(gong)?，工?(gong)程??(cheng)圍??(wei)護(hù)?(hu)結(jié)??(jie)構(gòu)??(gou)形??(xing)式??(shi)復(fù)??(fu)雜??(za)?，地??(di)層??(ceng)敏??(min)感??(gan)?，基??(ji)坑?(keng)開??(kai)挖?(wa)范??(fan)圍??(wei)內(nèi)??(nei)淤??(yu)泥??(ni)質(zhì)?(zhi)地??(di)層??(ceng)分??(fen)布??(bu)占??(zhan)比??(bi)超??(chao)過??(guo)70%?，施??(shi)工??(gong)難??(nan)度?(du)極??(ji)大??(da)??！　∧??(mu)前??(qian)??，西??(xi)塱??(塱)隧??(sui)道??(dao)出??(chu)口?(kou)明??(ming)挖?(wa)段?(duan)主??(zhu)體??(ti)結(jié)??(jie)構(gòu)??(gou)已??(yi)完??(wan)美??(mei)收??(shou)官??(guan)??，盾??(dun)構(gòu)??(gou)刀??(dao)盤??(pan)及??(ji)配??(pei)套??(tao)設(shè)??(she)備??(bei)已??(yi)進(jìn)??(jin)場(chǎng)??(chang)調(diào)??(tiao)試??(shi)??，盾??(dun)構(gòu)??(gou)施??(shi)工??(gong)即??(ji)將??(jiang)啟??(qi)動(dòng)??(dong)??。??。