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近日,西(安)汉(中)高速公路重点工程全长4740m的秦岭3号隧道经过中铁22局集团4公司15个月的紧张施工,比合同工期提前6个月胜利贯通,成为秦岭山区特长隧道群中最先贯通的一座。秦岭3号隧道位于陕西省宁强县江口镇,隧址附近是原始森林及国家自然保护区,林中拥有多种多样珍稀野生动植物,施工中制定了严格的环保措施,禁止上山打猎,禁止砍伐树木,对
Recently, Qinling No. 3 Tunnel with a total length of 4,740m in the main project of the Western (An) Han (Central) Expressway passed the tight construction of 15 months of the 4th company of the 22nd Bureau of the China Railway Group and gained the victory of 6 months ahead of schedule. As a result, Tunnel group first through a. Qinling No. 3 Tunnel is located in Jiangkou Town, Ningqiang County, Shaanxi Province. Near the tunnel site is the primeval forest and the National Nature Reserve. There are a variety of rare wildlife in the forest. During the construction, strict environmental protection measures were in place to prohibit the hunting in the mountains. Felling trees, right