以昆明安宁市太平新区二期主干道道路工程太平隧道的建设为背景,详述了其土建部分设计所涉及的各个子项,叙述了设计难点、先进性、新技术的应用等。整座隧道从开工到全部贯通历时一年零两个月的时间,施工过程严格按设计参数和工法进行,最终顺利建成为云南第一大跨连拱隧道。本隧道的建成进一步完善了城市的配套市政设施,优化了市政路网系统,使城市对外交通更加快速便捷。 Based on the construction of Taiping Tunnel, the second phase of Taiping New District, Kunming, the subprojects involved in the design of its civil works are described in detail. The design difficulties, advanced features and application of new technologies are described. The whole tunnel lasted from one year to two months after it was started. The construction process was carried out strictly according to the design parameters and working methods, and finally it was successfully completed as the first large-span cross-arch tunnel in Yunnan. The completion of this tunnel further perfected the supporting municipal facilities in the city, optimized the municipal road network system and made the city’s external traffic more rapid and convenient.