The mining method of mining deposits can be roughly divided into two categories: single development and joint development. The pioneering method of exploiting the whole mine operation with a certain kind of main roadway is called a single development method; some ore bodies are buried deep, or the deep dip angle of the ore body changes, the upper part of the deposit is developed with some main development roadway, and the lower part Then, according to the need to switch to another development of roadway development, this method is called joint development. The commonly used methods of development are shown in Table 1. In addition, the development of ramps and their associated joint development have gradually increased.
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