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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　跑??(pao)馬??(ma)山??(shan)1號??(hao)隧??(sui)道??(dao)位??(wei)于??(yu)四?(si)川?(chuan)省??(sheng)甘??(gan)孜??(zi)州??(zhou)康??(kang)定??(ding)市??(shi)??，起??(qi)于??(yu)升??(sheng)航??(hang)村??(cun)??，止??(zhi)于??(yu)跑??(pao)馬??(ma)山??(shan)村?(cun)??，左??(zuo)洞??(dong)長??(chang)8865米??(mi)??，右??(you)洞??(dong)長??(chang)8780米??(mi)??，最??(zui)大??(da)埋??(mai)深??(shen)1250米?(mi)??。??隧??(sui)道??(dao)進(jìn)??(jin)出??(chu)口??(kou)海??(hai)拔??(ba)高??(gao)差??(cha)達(dá)??(da)220米??(mi)??，相??(xiang)當(dāng)??(dang)于??(yu)80層??(ceng)樓??(lou)高??(gao)??，較??(jiao)已??(yi)建??(jian)成??(cheng)的??(de)云??(yun)南??(nan)福??(fu)宜??(yi)高??(gao)速??(su)萬?(wan)溪?(xi)沖??(chong)隧?(sui)道??(dao)多??(duo)46.4米?(mi)??，屬??(shu)世??(shi)界??(jie)高??(gao)速?(su)公??(gong)路??(lu)單??(dan)體??(ti)隧??(sui)道??(dao)進(jìn)??(jin)出??(chu)口??(kou)高??(gao)差??(cha)之??(zhi)最??(zui)???！　№?xiàng)??(xiang)目??(mu)本??(ben)身??(shen)的??(de)巨??(ju)大??(da)進(jìn)?(jin)出??(chu)口?(kou)高??(gao)差??(cha)、所??(suo)處??(chu)的??(de)高??(gao)寒??(han)高??(gao)海??(hai)拔??(ba)地??(di)理??(li)位??(wei)置??(zhi)以??(yi)及??(ji)穿??(chuan)越??(yue)多??(duo)個??(ge)斷??(duan)裂??(lie)帶??(dai)施??(shi)工??(gong)給??(gei)項(xiàng)??(xiang)目??(mu)建??(jian)設(shè)??(she)帶??(dai)來??(lai)巨??(ju)大??(da)挑??(tiao)戰(zhàn)??(zhan)??。??為??(wei)降??(jiang)低??(di)隧??(sui)道??(dao)坡?(po)度??(du)??，隧??(sui)道??(dao)采??(cai)取??(qu)雙??(shuang)洞??(dong)雙??(shuang)向??(xiang)分??(fen)離??(li)式?(shi)特??(te)長??(chang)“S”形??(xing)曲??(qu)線??(xian)設(shè)??(she)計(jì)??(ji)??，經(jīng)??(jing)歷?(li)3次?(ci)左??(zuo)右?(you)轉(zhuǎn)??(zhuan)向??(xiang)??，累??(lei)積??(ji)轉(zhuǎn)??(zhuan)向??(xiang)341度??(du)??，使??(shi)隧??(sui)道??(dao)縱??(zong)坡??(po)控??(kong)制??(zhi)在??(zai)極??(ji)限??(xian)值??(zhi)之??(zhi)內(nèi)??(nei)??。

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