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首页> 外文期刊>Computers & geosciences >Algorithms for multi-parameter constrained compositing of borehole assay intervals from economic aspects
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Algorithms for multi-parameter constrained compositing of borehole assay intervals from economic aspects

机译：从经济角度考虑井眼分析区间的多参数约束组合算法

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摘要

Compositing of borehole assay intervals based on economic aspects is a primary step when the cross-sectional method is applied in orebody modelling and mineral resources estimation. The compositing is important because the resulting ore composites eventually determine the outlines of orebody models. However, numerous boreholes and borehole intervals make ore compositing tedious and time-consuming for manual work. A computer program for compositing is desirable to facilitate the task and to obtain accurate results. In the design of computer algorithms for such a computer program, dilution is the most difficult part because dilution means adding waste intervals into an ore composite in order to transfer it from unminable to minable and this causes some special situations in a compositing procedure. In order to obtain economically optimized compositing results, we paid special attention to dilution in the designed algorithms. A demo program has been developed to test and implement these algorithms using borehole assay datasets from a mine site in China. Results show the accuracy of designed computer algorithms and the feasibility of applying a computer program in compositing of borehole assay intervals.
机译：当将横截面方法应用于矿体建模和矿产资源估算时，基于经济方面的井眼化验间隔组合是第一步。合成很重要，因为最终的矿石复合物最终决定了矿体模型的轮廓。但是，大量的钻孔和钻孔间隔使矿石的合成变得繁琐且费时。需要一种用于合成的计算机程序来简化任务并获得准确的结果。在用于这样的计算机程序的计算机算法的设计中，稀释是最困难的部分，因为稀释意味着将废料间隔添加到矿石复合物中以便将其从不可开采转移到可开采，并且这在复合过程中引起一些特殊情况。为了获得经济优化的合成结果，我们在设计的算法中特别注意了稀释。已经开发了一个演示程序来使用中国矿山的钻孔测定数据集来测试和实施这些算法。结果显示了设计的计算机算法的准确性，以及在组合井眼测定间隔时应用计算机程序的可行性。

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  • 来源
    《Computers & geosciences》 |2010年第7期|P.945-952|共8页
  • 作者

    Xiaogang Ma; rnEmmanuel John M. Carranza; rnFreek D. van der Meer; Chonglong Wu; rnXialin Zhang;

  • 作者单位

    School of Computer Science, China University of Ceosciences, Wuhan 430074, Hubei, China Department of Earth Systems Analysis, International Institute for Geo-Information Science and Earth Observation (ITC), Hengelosestraat 99, P.O. Box 6, 7500 AA Enschede, The Netherlands;

    rnDepartment of Earth Systems Analysis, International Institute for Geo-Information Science and Earth Observation (ITC), Hengelosestraat 99, P.O. Box 6, 7500 AA Enschede, The Netherlands;

    rnDepartment of Earth Systems Analysis, International Institute for Geo-Information Science and Earth Observation (ITC), Hengelosestraat 99, P.O. Box 6, 7500 AA Enschede, The Netherlands Department of Physical Geography, Faculty of Geosciences, Utrecht University, P.O. Box 80115, 3508 TC Utrecht, The Netherlands;

    rnSchool of Computer Science, China University of Ceosciences, Wuhan 430074, Hubei, China State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, Hubei, China;

    rnSchool of Computer Science, China University of Ceosciences, Wuhan 430074, Hubei, China;

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  • 正文语种 eng
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  • 关键词

    cross section; dilution; profit value of composite; nested looping construct;

    机译：横截面;稀释;复合材料的利润值;嵌套循环构造;

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