谈云岭2号隧道洞口施工方案

On construction scheme for Yunling No.2 Tunnel entrance

以云岭2号隧道为例,介绍了其工程概况,从施工前准备工作、明洞施工、超前大管棚支护施工三方面,详细阐述了主要工程项目的施工方案及技术要点,可为同类工程及同行业人士提供参考。

Taking Yunling No . 2 Tunnel as the example, the paper introduces its engineering survey, and illustrates the construction scheme and technical points for the main project from the preparation before the construction, open cut tunnel, and advanced large pipe roof construction, so as to provide some reference for the similar projects and personnel in the industry.