陕西宝汉高速连城山隧道
发布时间:2018-11-09???作者:???浏览量:

陕西宝汉高速公路连城山隧道为双向六车道分离式设计,左洞长5779米,右洞长5798米,属高地应力软弱大变形围岩条件下的特长隧道。168彩票官方网站承建了6272米(左洞长3120米,右洞长3152米)施工任务,标段内极软岩高达40%,隧道最大开挖宽度达19.6米,是陕西省贯通的首座双向六车道极软岩隧道。

The Mt. Liancheng Tunnel of Baoji-Hanzhong Expressway in Shaanxi Province is designed in two-way six-lane with its left hole of 5779m and right tunnel of 5798m. It is a super long tunnel under the condition of high ground stress weak and large deformation surrounding rock. CCCC Second Highway Engineering Co., Ltd. has contracted the construction task of 6272m (the left hole of 3120m and the right hole of 3152m). The maximum excavation width of the tunnel is 19.6m, which is the first two-way six-lane tunnel under super soft rock in Shaanxi Province. 

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