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露天矿的生产能力是露天开采的一项最重要指标,确定这一指标是露天开采设计与规划工作中的首要任务。大家知道影响露天矿生产能力大小的因素有:对矿物原料的需要量、矿床的储量、矿山开采的矿山技术与经济条件。在设计中一般把回采制度规定为长期稳定的或者逐步增加的,很少是工作量不断增加的。许多急倾斜和倾斜金属矿床的开采实践表明,在最近10～15年来,没有一个露天矿在计算年限内达到了扩大生产能力的设计意
Opencast capacity is one of the most important indicators of open pit mining, to determine this indicator is the most important task in the design and planning of open pit mining. We all know that the impact of open-pit mine production capacity of the size of factors: the demand for mineral raw materials, deposit reserves, mine mining technology and economic conditions. In the design of the mining system is generally defined as long-term stability or gradual increase, seldom is the workload continues to increase. The mining practice of many steep and inclined metal deposits shows that in the recent 10 to 15 years none of the open-pit mines has reached the design intent of expanding its production capacity within the calculation period