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　　日前，中(zhong)鐵五(wu)局施工(gong)(gong)(gong)的(de)(de)西(xi)格(ge)二(er)線重點(dian)控制工(gong)(gong)(gong)程(cheng)(cheng)臨山特大(da)(da)橋(qiao)(qiao)主(zhu)體工(gong)(gong)(gong)程(cheng)(cheng)全部(bu)完(wan)工(gong)(gong)(gong)。西(xi)格(ge)二(er)線橋(qiao)(qiao)梁工(gong)(gong)(gong)程(cheng)(cheng)總長4301.75米，有特大(da)(da)橋(qiao)(qiao)1座(zuo)、大(da)(da)橋(qiao)(qiao)3座(zuo)、小橋(qiao)(qiao)1座(zuo)。其(qi)中(zhong)臨山特大(da)(da)橋(qiao)(qiao)為(wei)西(xi)格(ge)二(er)線重點(dian)工(gong)(gong)(gong)程(cheng)(cheng)，共有104個墩2個臺。在施工(gong)(gong)(gong)中(zhong)科(ke)學組織，精心安排，戰(zhan)嚴寒、斗酷暑、攻克一道道技術(shu)難關，發揚“挑戰(zhan)極限，勇(yong)創一流”的(de)(de)青藏鐵路(lu)精神，在最(zui)低(di)溫(wen)度零下(xia)20多度、白天僅有6度左右的(de)(de)惡劣氣候環境下(xia)加大(da)(da)投入，采取(qu)給砂(sha)石料(liao)搭設保(bao)(bao)(bao)溫(wen)棚(peng)、保(bao)(bao)(bao)溫(wen)棚(peng)內(nei)用(yong)暖氣管(guan)道和火爐相(xiang)結合的(de)(de)方式，確(que)保(bao)(bao)(bao)砂(sha)石料(liao)的(de)(de)溫(wen)度，并用(yong)大(da)(da)鐵箱(xiang)和鍋爐燒水(shui)確(que)保(bao)(bao)(bao)混凝土的(de)(de)入模溫(wen)度，保(bao)(bao)(bao)證了墩身(shen)質量和管(guan)段內(nei)橋(qiao)(qiao)梁主(zhu)體工(gong)(gong)(gong)程(cheng)(cheng)按時完(wan)工(gong)(gong)(gong)，為(wei)確(que)保(bao)(bao)(bao)西(xi)格(ge)二(er)線的(de)(de)總工(gong)(gong)(gong)期奠定了堅實基礎，臨山特大(da)(da)橋(qiao)(qiao)已成為(wei)雪域高(gao)原一道亮(liang)麗風景。