文章阐述了广深沿江高速公路牛头山隧道双侧壁导坑法施工工艺过程、技术措施,希望能给公路隧道施工技术人员提供参考。 This paper describes the construction process and technical measures of the double-sided pilot pit approach of the Niutoushan Tunnel along the Guangzhou-Shenzhen-Yanjiang Expressway. It is hoped that this can provide a reference for the construction technicians of the highway tunnel.