高速公路双连拱隧道三导洞施工技术研究

The Study of the Construction with Three Guide Holes in Twin-arch Tunnel in Freeway

阐述了张石高速二期化稍营至蔚县(张保界)段高速公路十四标段中的2座双连拱隧道岔道1号隧道和岔道2号隧道,都采用了三导洞开挖方法,收到了很好的工程效果,能够快速安全地成洞。

The article introduces the two twin-arch Tunnel-ChaDao One Tunnel and ChaDao Two Tunnel on the ZhangShi freeway during the second periods from Huashaoying to YuXian.The two tunnels all dig with the method of three guide holes,and receive the good engineering purpose.The tunnels bring to success quickly and safely.