隧道进口明挖施工程序及施工技术研究

Study on Open-cut Construction Procedure and Construction Technology of Tunnel Entrance

结合天津机场线工程Ⅰ标段明挖隧道主体结构工程和现有技术以及经验,对隧道进口明挖施工程序及施工技术进行深入分析;得出科学合理地选择施工工序及相应施工技术,是确保施工过程中安全和稳定,减少对周围环境影响,提升施工效率及保证施工质量的关键。

Combining with the main structure engineering of open-cut tunnel in Tianjin Airport Line Project Section I and the existing technology and experience, this paper makes a thorough analysis on the construction procedure and technology of open-cut tunnel entrance, and draws a conclusion that the scientific and reasonable selection of construction procedure and corresponding construction technology is to ensure the safety and stability in the construction process and reduce the shadow on the surrounding environment. Ring, improve the efficiency of construction and ensure the quality of construction.