小净距隧道适合应用于地形条件受约束、地质条件良好地区。文章根据泰井高速的石狮隧道施工过程分析,全面深入了解其施工工艺,提出类似隧道的关键工序、施工方法、施工技术难点和重点等关键技术,对小净距隧道在山区高速公路的应用推广提供坚实的理论依据和可靠的实践经验。 Small spacing tunnels are suitable for use in terrain conditions are constrained, good geological conditions. Based on the analysis of the construction process of Shitai Tunnel at Taitai Expressway, the author comprehensively and deeply understood its construction technology and put forward key technologies such as the key processes of similar tunnels, construction methods, construction technical difficulties and key points, and promoted the application of small clear-distance tunnels in mountainous expressways Provide a solid theoretical basis and reliable practical experience.