某高速隧道洞口偏压浅埋段处治及要点分析

A high speed tunnel portal bias shallow section treatment and main points analysis

论述了确保隧道洞口施工质量的重要性,从地表注浆、偏压挡墙、超前大管棚等方面,介绍了隧道洞口偏压浅埋段的施工技术,并探讨了各环节的施工要点,旨在提升洞口的稳定性,保证隧道的安全运营。

This paper discussed the importance of ensuring tunnel portal construction quality,from the surface grouting,bias retaining wall,advanced pipe shed and other aspects,introduced the construction technology of tunnel portal bias shallow section,and discussed the construction key points of each link,to enhance the stability of portal,ensured the safe operation of tunnel.