神朔铁路新杏树峁隧道软弱基底树根桩加固施工综合技术研究

神朔复线铁路新杏树峁隧道风积砂土质是制约隧道施工的关键,应用树根桩方法对隧道基底进行加固,取得了良好的效果。本文较为详细地介绍了这种加固方法,内容包括施工工艺、参数及加固后的效果。对同类工程的施工具有积极的指导和借鉴意义。

Research on Tunnel Construction Technique of Reinforcing Weak Basement with Root Pries

During the construction of Xinxingshumao Tunnel of Shenshuo Railway,the aeolian sand is a key restrictive factor.The root pile method is applied to reinforce the tunnel's base,which has achieved good results.This reinforcement method is introduced in this paper detailedly,including the construction process,the parameters and the reinforcement effect,which will be a positive guider and reference for the construction of similar projects.