文(wen)章來源：中國鐵路工程總公司(si) 發布時間(jian)：2009-10-27
日(ri)前(qian)，中鐵(tie)五局(ju)施(shi)工(gong)(gong)的西格二線重點(dian)控制工(gong)(gong)程(cheng)臨山特大(da)橋(qiao)(qiao)主體(ti)工(gong)(gong)程(cheng)全(quan)部(bu)完工(gong)(gong)。西格二線橋(qiao)(qiao)梁工(gong)(gong)程(cheng)總(zong)長(chang)4301.75米，有特大(da)橋(qiao)(qiao)1座(zuo)(zuo)、大(da)橋(qiao)(qiao)3座(zuo)(zuo)、小(xiao)橋(qiao)(qiao)1座(zuo)(zuo)。其中臨山特大(da)橋(qiao)(qiao)為(wei)西格二線重點(dian)工(gong)(gong)程(cheng)，共有104個(ge)墩2個(ge)臺。在(zai)施(shi)工(gong)(gong)中科學組織，精(jing)心安排，戰嚴寒(han)、斗(dou)酷暑(shu)、攻克(ke)一道道技(ji)術(shu)難關，發揚“挑戰極限，勇創一流”的青(qing)藏鐵(tie)路(lu)精(jing)神(shen)，在(zai)最低溫(wen)(wen)度(du)零(ling)下20多度(du)、白(bai)天僅有6度(du)左右的惡劣氣候環境下加(jia)大(da)投入(ru)，采取給砂石料搭設保(bao)溫(wen)(wen)棚、保(bao)溫(wen)(wen)棚內(nei)用(yong)暖氣管(guan)道和(he)火爐相結合的方(fang)式，確保(bao)砂石料的溫(wen)(wen)度(du)，并用(yong)大(da)鐵(tie)箱和(he)鍋爐燒水確保(bao)混凝(ning)土的入(ru)模溫(wen)(wen)度(du)，保(bao)證(zheng)了墩身質(zhi)量和(he)管(guan)段內(nei)橋(qiao)(qiao)梁主體(ti)工(gong)(gong)程(cheng)按時(shi)完工(gong)(gong)，為(wei)確保(bao)西格二線的總(zong)工(gong)(gong)期奠(dian)定(ding)了堅實基礎，臨山特大(da)橋(qiao)(qiao)已成為(wei)雪(xue)域高原一道亮麗風景(jing)。