Open-pit Mine Thin Coal Seam Mining Technology Based on AHP

Some indexes such as the loss rate and dilution rate of the coal and ore fragmentation are affected by the choice of thin coal seam mining technology in open-pit mines, which directly influences the economic benefit in open-pit mines. The AHP analyzing model was established based on researching the main indexes which influence thin coal seam mining technology. A case study was carried out by dealing with harwusu 5^# coal mining system and the correctness was validated. The results have important guiding significance to the thin coal seam mining in similar mines.