文章來源：中(zhong)國(guo)鐵路工程總公司 發布時間：2010-05-22
近日，中(zhong)國鐵路工(gong)(gong)(gong)程總公司(si)中(zhong)鐵二(er)局承建(jian)的亞洲最長市政隧道——貴金線黔(qian)(qian)靈山(shan)隧道左(zuo)線提前(qian)一(yi)個月順利貫通。黔(qian)(qian)靈山(shan)隧道全長1660米，是(shi)貴陽(yang)市連接主(zhu)城區(qu)與金陽(yang)新區(qu)快速通道咽喉工(gong)(gong)(gong)程，下穿黔(qian)(qian)靈公園風景區(qu)，經過地段為(wei)溶蝕峰叢地貌區(qu)，橫(heng)穿5條地質斷(duan)層(ceng)，節理(li)、裂隙發育(yu)，巖體破碎，施工(gong)(gong)(gong)難度極大。中(zhong)鐵二(er)局針對(dui)隧道斷(duan)層(ceng)破碎帶分(fen)布(bu)較廣、瓦斯含量高和涌(yong)水區(qu)多等特(te)點，成(cheng)立了(le)(le)技術攻關小組(zu)(zu)和質量保證小組(zu)(zu)，及時攻克各(ge)種(zhong)難題，確(que)保了(le)(le)工(gong)(gong)(gong)程施工(gong)(gong)(gong)安(an)全、優(you)質、快速推進。