矿山法预制装配式仰拱具有施工质量好、机械化程度高等优点。以首座采用矿山法一体化预制装配式仰拱的单线铁路隧道——新建天（水）陇（南）铁路腰坡隧道为依托，系统构建矿山法预制装配式仰拱施工工艺体系。首先，对矿山法装配式仰拱的工艺流程、施工技术参数等进行系统总结，梳理预制仰拱施工技术的重难点； 然后，对预制装配式仰拱结构施工过程中洞身开挖、运输拼装及节点施工等进行深入探讨，形成矿山法预制装配式仰拱施工工艺； 最后，对预制装配式仰拱+现浇结构和全现浇衬砌结构的监控量测变形数据进行对比分析，明确预制装配式仰拱在结构稳定性和安全性方面的保障作用。研究结果表明： 1)矿山法隧道采用预制装配式仰拱+现浇结构可以满足铁路隧道的技术标准要求； 2)预制装配式仰拱结构施工过程中采用拼装机完成结构吊装与对接作业，可大大减少施工机械设备的数量和种类； 3)隧道施工期间，预制装配式仰拱+现浇结构在拱顶沉降和水平收敛控制方面略优于全现浇衬砌结构。

The recently proposed prefabricated inverted arch for tunnels constructed using the mining method demonstrates exceptional construction quality and a high degree of mechanization. Using the newly-built Yaopo tunnel of the Tianshui-Longnan railway as a case study, the author systematizes the construction technology for prefabricated inverted arches in tunnels built via the mining method. The author begins by outlining the construction technical parameters and process flow, for the inverted arch structure sumarizing the challenges encountered during its implementation. The author then thoroughly examines the tunnel construction, transportation, assembly, and node construction of the prefabricated inverted arch structure, forming the construction techniques of prefobricated inverted arch structure. Finally, the performance of the prefabricated inverted arch + cast-in-place structure is compared with that of the fully cast-in-place lining structure through field tests, analyzing monitored deformation data to highlight the advantages of the prefabricated inverted arch in terms of structural stability and safety. The research results reveal the following: (1) The prefabricated inverted arch + cast-in-place structure meets the relevant technical standard requirements of the railway tunnels constructed using the mining method. (2) The prefabricated inverted arch structure is hoisted and docked by an assembly machine, greatly reducing the number and type of construction machinery and equipment. (3) The prefabricated inverted arch + cast-in-place structure slightly outperforms the fully cast-in-place lining structure in terms of crown subsidence and horizontal convergence controls.