文章來(lai)源：中國葛洲壩集團公司 發布時間：2012-05-20
近日，由葛洲壩集團基礎公司承建的西藏拉日鐵路TJ6標段涵洞工程項目正式開工。
拉薩至日喀則鐵路東起西藏自治區首府拉薩市，向西沿拉薩河而下，途經堆龍德慶縣，曲水縣后，溯雅魯藏布江西上，經尼木、仁布縣后折向西南，越吉瓊埡口后，線路沿年楚河右岸下至本線終點站日喀則市，正線全長253.156公里。
該(gai)工(gong)(gong)程具有(you)排(pai)洪、灌溉和立交功能，其(qi)中包含框架涵(han)(han)、蓋板箱(xiang)涵(han)(han)、圓管涵(han)(han)共(gong)175座。涵(han)(han)洞(dong)(dong)施(shi)工(gong)(gong)進度及質(zhi)量(liang)直接影響(xiang)著(zhu)拉日鐵路(lu)建設的進展(zhan)，按(an)照路(lu)基工(gong)(gong)程施(shi)工(gong)(gong)總(zong)體安排(pai)，指揮部采取了多個涵(han)(han)洞(dong)(dong)同時施(shi)工(gong)(gong)的方案，以(yi)確保(bao)(bao)(bao)線路(lu)范(fan)圍(wei)內涵(han)(han)洞(dong)(dong)提前完工(gong)(gong)。目(mu)前，涵(han)(han)洞(dong)(dong)工(gong)(gong)程已作為(wei)建設單位開(kai)展(zhan)的百(bai)日會戰項目(mu)，為(wei)此，葛(ge)洲壩集團西藏拉日鐵路(lu)指揮部，將在保(bao)(bao)(bao)工(gong)(gong)期、保(bao)(bao)(bao)質(zhi)量(liang)、保(bao)(bao)(bao)環(huan)保(bao)(bao)(bao)、保(bao)(bao)(bao)水土(tu)、保(bao)(bao)(bao)安全前提下(xia)，著(zhu)力(li)做好(hao)各項涵(han)(han)洞(dong)(dong)施(shi)工(gong)(gong)任務。