隧道超前支护及施工工艺解析

Analysis of Tunnel Advance Support and Construction Technology

对超前锚固支护原理与适用范围进行分析,并对该工艺的应用方法进行阐述,包括准备阶段、设备安装、导向钻进、扩孔、钢管施作及注浆等内容,并通过实例分析的方式,阐述该工艺在隧道工程中的具体应用,力求通过所做研究,使超前支护的作用与优势得到充分发挥,工程质量得到切实保障。

This paper analyzes the principle and application scope of the advance anchoring support,and expounds the application methods of the technology,including the preparation stage,equipment installation,guided drilling,reaming,steel pipe construction and grouting,etc.,and expounds the specific application of the technology in the tunnel engineering by the way of case analysis,striving to make the role of the advance support and the advantages have been brought into full play and the project quality has been effectively guaranteed.