隧道洞口施工地表预加固技术及应用

Technique of Advanced Reinforcement from Ground and Its Application in Tunnel Entrance Project

基于隧道洞口围岩特点,对隧道洞口施工原则和地表预加固技术及适用范围进行介绍,隧道洞口地表预加固技术在某公路大坝隧道中的应用取得预期效果。

Based on the feature of tunnel entrance rock,the principles of tunnel entrance construction and the earth surface pre-strengthening technology and its application range are introduced in the paper. The application of tunnel entrance earth surface pre-strengthening technology on a highway dam tunnel achieves the desired results.