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1前言开采境界设计是露天矿山安全生产、获得良好经济效益的基础,该类设计通常有两种情况:一是准采范围不受限制,按矿体赋存情况和经济剥采比要求,从底部周界开始,由里向外依次绘出各个台阶的坡面和平台,得到开采终了平面图;二是准采范围是给定的,要求开采终了平面图不超出准采范围。第一种情况的开采境界设计相关介绍较多;第二种情况的开采境界设计相关介绍较少,因其具
1 Preface Mining design is the basis for safe production of open-pit mines and obtaining good economic benefits. There are two kinds of designs for such mines. First, the scope of quasi-mining is not limited. According to the occurrence of ore bodies and the ratio of economic exploitation, The bottom of the perimeter of the beginning, from the inside out in turn draw the slope of each step and the platform to obtain the end of the mining plan; the second is the quasi-mining range is given, requiring mining end of the plan does not exceed the quasi-mining range. The first case is more related to the design of the realm of exploitation; the second case is less relevant to the design of the realm of exploitation,