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A Quadratic Programming Model for Blast Scheduling

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A quadratic programming model is established to choose the blocks to be blasted in a given period. The length of this period depends on the production planning requirements. During the given period, the blocks' parameters are available from the geological database of the mine. The objective is to minimize the deviation of the average ore grade of blasted blocks from the standard ore grade required by the mill. Transportation ability constraint, production quantity demand constraint, minimum safety bench constraint, block size constraint and block, bench precedence constraints are considered in forming the programming model. This model has more practical objective function and reasonable constraints compared with the existing model for this kind of problems.

quadratic programmingopen pit miningblast schedulingmine production schedulingmathematical programming model

Chunyan Meng、Samuel Frimpong、Mingjian Zuo

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Ph. D. Student (correspondent), 606-Chemical-Mineral Building, Dept of Civil and Environmental Engineering, University of Alberta, T6G 2G6, Edmonton, AB, Canada

Associate professor, School of Mining and Petroleum Engineering, University of Alberta

Associate professor, Department of Mechanical Engineering, University of Alberta

1999

矿物冶金与材料学报
北京科技大学

矿物冶金与材料学报

影响因子：0.609
ISSN：1674-4799
年,卷(期)：1999.6(3)
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