三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 據(jù)??(ju)中??(zhong)鐵??(tie)三??(san)局??(ju)施??(shi)工??(gong)負(fù)??(fu)責(zé)??(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(shí)??(shi)間??(jian)較??(jiao)長(zhǎng)??(chang)??，為?(wei)有??(you)效??(xiao)防??(fang)止??(zhi)冬??(dong)季?(ji)嚴(yán)?(yan)寒??(han)凍??(dong)脹??(zhang)破??(po)壞??(huai)隧??(sui)道?(dao)結(jié)??(jie)構(gòu)??(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(shè)??(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)??。?? 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(zhǎng)??(chang)32.155公??(gong)里?(li)的??(de)施??(shi)工??(gong)任??(ren)務(wù)??(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(jì)??(ji)9.2公??(gong)里??(li)??。紫??(zi)羅??(luo)山??(shan)2號(hào)??(hao)隧??(sui)道??(dao)位??(wei)于??(yu)山??(shan)西??(xi)省??(sheng)忻??(xin)州??(zhou)市?(shi)五??(wu)臺(tái)??(tai)縣??(xian)境??(jing)內(nèi)??(nei)??，全??(quan)隧??(sui)長(zhǎng)??(chang)458.43米??(mi)??，均??(jun)為??(wei)Ⅳ、Ⅴ級(jí)??(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(kāi)??(kai)挖??(wa)過(guò)??(guo)程??(cheng)中??(zhong)發(fā)?(fa)生??(sheng)坍??(tan)塌?(ta)的??(de)風(fēng)??(feng)險(xiǎn)??(xian)較??(jiao)大??(da)??。
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