文章來源：中國葛洲(zhou)壩(ba)集團公(gong)司 發布(bu)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)(gong)程具有排洪(hong)、灌溉和立交功(gong)能，其中(zhong)包含框架(jia)涵(han)(han)、蓋(gai)板箱(xiang)涵(han)(han)、圓管涵(han)(han)共175座。涵(han)(han)洞施(shi)工(gong)(gong)(gong)進度及質(zhi)量直接影(ying)響著(zhu)拉日(ri)鐵(tie)路(lu)建設的(de)(de)進展，按照(zhao)路(lu)基工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)總體安排，指揮(hui)部采(cai)取(qu)了多個涵(han)(han)洞同(tong)時施(shi)工(gong)(gong)(gong)的(de)(de)方案，以確(que)保(bao)(bao)線路(lu)范圍內涵(han)(han)洞提前完工(gong)(gong)(gong)。目前，涵(han)(han)洞工(gong)(gong)(gong)程已作為建設單位開(kai)展的(de)(de)百日(ri)會戰項(xiang)目，為此(ci)，葛洲壩(ba)集團西藏拉日(ri)鐵(tie)路(lu)指揮(hui)部，將在保(bao)(bao)工(gong)(gong)(gong)期、保(bao)(bao)質(zhi)量、保(bao)(bao)環保(bao)(bao)、保(bao)(bao)水(shui)土、保(bao)(bao)安全前提下，著(zhu)力(li)做好各(ge)項(xiang)涵(han)(han)洞施(shi)工(gong)(gong)(gong)任務。