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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　中??(zhong)鐵??(tie)三?(san)局??(ju)承??(cheng)建??(jian)雄??(xiong)忻??(xin)高??(gao)鐵??(tie)山??(shan)西??(xi)段??(duan)長??(chang)32.155公??(gong)里??(li)的??(de)施??(shi)工??(gong)任??(ren)務??(wu)??，管??(guan)段??(duan)橋??(qiao)隧??(sui)比??(bi)例??(li)大??(da)??。??其??(qi)中??(zhong)??，隧?(sui)道??(dao)工??(gong)程??(cheng)5座??(zuo)??，總?(zong)計?(ji)9.2公?(gong)里??(li)??。紫??(zi)羅?(luo)山??(shan)2號??(hao)隧??(sui)道??(dao)位?(wei)于?(yu)山??(shan)西??(xi)省??(sheng)忻?(xin)州??(zhou)市??(shi)五??(wu)臺??(tai)縣??(xian)境??(jing)內(nèi)??(nei)??，全??(quan)隧??(sui)長??(chang)458.43米??(mi)??，均??(jun)為??(wei)Ⅳ、Ⅴ級??(ji)圍??(wei)巖??(yan)??，隧??(sui)道??(dao)圍??(wei)巖??(yan)節(jié)??(jie)理??(li)及??(ji)巖??(yan)溶??(rong)發(fā)??(fa)育??(yu)??，開??(kai)挖??(wa)過?(guo)程??(cheng)中??(zhong)發(fā)??(fa)生??(sheng)坍??(tan)塌??(ta)的??(de)風??(feng)險??(xian)較??(jiao)大??(da)??。　　據(jù)??(ju)中??(zhong)鐵??(tie)三??(san)局??(ju)施??(shi)工??(gong)負??(fu)責?(ze)人??(ren)介??(jie)紹??(shao)??，海??(hai)拔??(ba)1280米??(mi)的??(de)紫??(zi)羅??(luo)山??(shan)冬??(dong)季??(ji)低?(di)溫??(wen)時??(shi)間??(jian)較??(jiao)長??(chang)??，為??(wei)有?(you)效??(xiao)防??(fang)止??(zhi)冬??(dong)季??(ji)嚴??(yan)寒??(han)凍??(dong)脹??(zhang)破??(po)壞??(huai)隧??(sui)道??(dao)結??(jie)構??(gou)??，采??(cai)取??(qu)洞??(dong)內(nèi)??(nei)深??(shen)埋??(mai)水??(shui)溝??(gou)、防??(fang)寒??(han)注?(zhu)漿??(jiang)、保??(bao)溫??(wen)板??(ban)鋪??(pu)設??(she)等??(deng)抗??(kang)寒??(han)措??(cuo)施??(shi)??，工??(gong)序??(xu)繁??(fan)雜??(za)??，施??(shi)工??(gong)組??(zu)織??(zhi)難??(nan)度??(du)大??(da)??。??

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