A dynamic-programming based model for phase-mining optimization in open-pit metal mines

被引：2

作者：

Wang, Qing ^{[1
]}

Xu, Xiaochuan ^{[1
]}

Gu, Xiaowei ^{[1
]}

机构：

[1] Northeastern Univ, Coll Resource & Civil Engn, Shenyang 110004, Peoples R China

来源：

ENERGY ENGINEERING AND ENVIRONMENTAL ENGINEERING, PTS 1AND 2 | 2013年 / 316-317卷

关键词：

open-pit; phase-mining; dynamic programming; optimization;

D O I：

10.4028/www.scientific.net/AMM.316-317.896

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Three important aspects of phase-mining must be optimized: the number of phases, the geometry and position of each phase-pit (including the ultimate pit), and the ore and waste quantities to be mined in each phase. A model is presented in this paper in which, a sequence of geologically optimum pits are first generated and then dynamically evaluated to simultaneously optimize the above three aspects, with the objective of maximizing the overall net present value. The model takes into full account of the dynamic nature of the problem with respect to both time and space, and is robust in accommodating different pit wall slopes and different bench heights.

引用

页码：896 / 901

页数：6

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