分期矿量范围对境界优化的影响
TD216; 以帮坡角及技术经济参数为依据,基于矿床数值模型,运用锥体排除法生成最大境界.根据在最大境界内产生的地质最优候选境界序列,设置5组不同分期矿量范围.通过对分期数、分期境界内的矿岩量、净现值及各分期跨度时间的对比,分析分期矿量范围对境界优化的影响.优化结果表明:分期矿量下限不变,上限增加,分期数减少,由9期开采转为8期开采;分期境界内采矿量、岩石剥离量的波动主要发生在前几个分期境界内.总净现值一直增加,但增加幅度逐渐减小.各分期时间跨度下限不变,上限逐渐增加.从总净现值及分期跨度时间来看,分期矿量范围在6～9年或6～10年更适于该矿山提高经济效益....
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| Published in | 东北大学学报（自然科学版） Vol. 40; no. 4; pp. 557 - 562 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
东北大学 资源与土木工程学院,辽宁 沈阳,110819
01.04.2019
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-3026 |
| DOI | 10.12068/j.issn.1005-3026.2019.04.020 |
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| Abstract | TD216; 以帮坡角及技术经济参数为依据,基于矿床数值模型,运用锥体排除法生成最大境界.根据在最大境界内产生的地质最优候选境界序列,设置5组不同分期矿量范围.通过对分期数、分期境界内的矿岩量、净现值及各分期跨度时间的对比,分析分期矿量范围对境界优化的影响.优化结果表明:分期矿量下限不变,上限增加,分期数减少,由9期开采转为8期开采;分期境界内采矿量、岩石剥离量的波动主要发生在前几个分期境界内.总净现值一直增加,但增加幅度逐渐减小.各分期时间跨度下限不变,上限逐渐增加.从总净现值及分期跨度时间来看,分期矿量范围在6～9年或6～10年更适于该矿山提高经济效益. |
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| AbstractList | TD216; 以帮坡角及技术经济参数为依据,基于矿床数值模型,运用锥体排除法生成最大境界.根据在最大境界内产生的地质最优候选境界序列,设置5组不同分期矿量范围.通过对分期数、分期境界内的矿岩量、净现值及各分期跨度时间的对比,分析分期矿量范围对境界优化的影响.优化结果表明:分期矿量下限不变,上限增加,分期数减少,由9期开采转为8期开采;分期境界内采矿量、岩石剥离量的波动主要发生在前几个分期境界内.总净现值一直增加,但增加幅度逐渐减小.各分期时间跨度下限不变,上限逐渐增加.从总净现值及分期跨度时间来看,分期矿量范围在6～9年或6～10年更适于该矿山提高经济效益. |
| Author | 王青 胥孝川 顾晓薇 张伟峰 |
| AuthorAffiliation | 东北大学 资源与土木工程学院,辽宁 沈阳,110819 |
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| Title | 分期矿量范围对境界优化的影响 |
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