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學(xué)習(xí)快評(píng)丨qibao666888　　中??(zhong)新??(xin)網(wǎng)??(wang)廣??(guang)州??(zhou)3月??(yue)25日??(ri)電??(dian) (郭??(guo)軍??(jun) 呂??(lv)翀??(chong) 代??(dai)儷??(li)娟??(juan))3月??(yue)24日??(ri)??，由??(you)廣??(guang)鐵??(tie)集??(ji)團(tuán)??(tuan)廣??(guang)州?(zhou)工??(gong)程??(cheng)建??(jian)設(shè)??(she)指?(zhi)揮??(hui)部??(bu)建??(jian)設(shè)??(she)、中?(zhong)鐵?(tie)十??(shi)一??(yi)局??(ju)承??(cheng)建??(jian)的?(de)新??(xin)建??(jian)廣??(guang)州??(zhou)站??(zhan)至?(zhi)廣??(guang)州??(zhou)南??(nan)站??(zhan)聯(lián)??(lian)絡(luò)??(luo)線??(xian)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)順??(shun)利??(li)封??(feng)頂??(ding)??。??這??(zhe)一??(yi)重?(zhong)要??(yao)節(jié)??(jie)點(diǎn)?(dian)的??(de)完??(wan)成??(cheng)??，標(biāo)?(biao)志??(zhi)著??(zhe)廣??(guang)南??(nan)聯(lián)??(lian)絡(luò)??(luo)線??(xian)項(xiàng)??(xiang)目??(mu)建??(jian)設(shè)??(she)取??(qu)得??(de)階??(jie)段??(duan)性??(xing)勝??(sheng)利??(li)??，為??(wei)隧??(sui)道??(dao)出??(chu)口??(kou)段??(duan)順??(shun)利??(li)轉(zhuǎn)??(zhuan)入??(ru)大??(da)盾??(dun)構(gòu)??(gou)施??(shi)工祝(gong)奠??(dian)定?(ding)了?(le)堅(jiān)??(jian)實(shí)??(shi)基??(ji)礎(chǔ)??(chu)???！　∥??(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(kāi)??(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(kāi)??(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(guò)??(guo)70%??，施??(shi)工??(gong)難??(nan)度??(du)極?(ji)大??(da)??。。