Optimization of three supporting schemes for comprehensive excavation and wall mining in special sections of bauxite mines

A certain bauxite mine in Guizhou is one of the first mines in China to adopt a comprehensive mechanized mining method for mining. In order to the unstable occurrence of ore layers, low recovery rate, and severe equipment wear and tear during the mining process, providing three supporting schemes for comprehensive excavation and wall mining in special sections of bauxite mines. Comparing the three solutions, it is optimized the supporting plan for the three machines.