本文根据铜锣井锰矿缓倾斜薄矿体的开采技术条件,提出了预制顶板杆柱房柱法方案的设想,介绍了该方案的特点、采准布置、采场布置及其结构参数。简要地叙述了回采工艺过程、锚杆安装工艺。粗略地估算了主要的技术经济指标,提出了改善经济效益的途径,评价了该方案的优缺点,并展望了今后发展方向。 Based on the technical conditions of mining the gently inclined thin ore body of the Tonglung manganese mine, this paper proposes the concept of the prefabricated roof-pillar-post method. The characteristics of the plan, the quasi-standard layout, the stope layout and the structural parameters are introduced. Briefly described the mining process, bolt installation process. Roughly estimated the main technical and economic indicators, put forward ways to improve economic efficiency, evaluation of the advantages and disadvantages of the program, and look forward to the future direction of development.