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黄金科学技术 ›› 2019, Vol. 27 ›› Issue (6): 844-850.doi: 10.11872/j.issn.1005-2518.2019.06.844

• 采选技术与矿山管理 • 上一篇    下一篇

基于变权重理论和TOPSIS的缓倾斜薄矿脉采矿方法优选

张钦礼(),赵宇飞,荣帅,康虔   

  1. 中南大学资源与安全工程学院,湖南 长沙 410083
  • 收稿日期:2019-02-17 修回日期:2019-06-01 出版日期:2019-12-31 发布日期:2019-12-24
  • 作者简介:张钦礼(1964-),男,山东潍坊人,教授,博士生导师,从事安全技术及采矿技术等方面的研究工作。zhangqinlicn@126.com
  • 基金资助:
    湖南省教育厅科研基金项目“大水矿山地下开采岩体稳定性分级”(17C1375);金属矿山安全与健康国家重点实验室开放课题“海泡石辅助水泥固化尾砂效能与机理研究”(2017-JSKSSYS-03)

Optimization of Gently Inclined Thin Vein Mining Method Based on Variable Weight Theory and TOPSIS

Qinli ZHANG(),Yufei ZHAO,Shuai RONG,Qian KANG   

  1. School of Resources and Safety Engineering,Central South University,Changsha 410083,Hunan,China
  • Received:2019-02-17 Revised:2019-06-01 Online:2019-12-31 Published:2019-12-24

摘要:

针对高品质缓倾斜薄矿脉的采矿方法优选难题,提出采用变权重分析法与TOPSIS相结合的综合评判标准体系,对多种采矿方法进行综合评判优选。首先,建立综合评价指标体系,考虑到层次分析法等常规方法确定的常权在评价各方案时可能会出现“状态失衡”的现象,引入变权重理论,以保证各因素的均衡性;然后利用逼近理想解的排序法(TOPSIS),得出各方案的优越度;最后,以内蒙古某矿山采矿方法优选为例,提出4种方案,分别为两步骤回采的分条密接充填法(方案Ⅰ)、铲运机出矿上向水平分层充填法(方案Ⅱ)、电耙出矿上向水平分层充填法(方案Ⅲ)和房柱法(方案Ⅳ),对这4种方案进行优选。研究结果表明:4种方案的优越度依次为82.5%、32.8%、55.3%和53.8%,最终选择的方案为两步骤回采的分条密接充填法(方案Ⅰ),该结果与工程实际相符合,表明该研究思路对采矿方法的优选具有参考价值,为今后工程中采矿方法优选问题提供了一种科学有效的分析方法。

关键词: 采矿方法, 变权重理论, TOPSIS, 综合评判指标, 方案决策, 综合优越度

Abstract:

The mining of gently inclined thin veins always has the problem of low production capacity and difficulty in mining.It is still inconclusive as to which mining method is more suitable for the mining of such ore bodies.The choice of mining methods is closely related to the economic benefits,production scale,safety recovery and resource recovery rate of the mine.Therefore,the preferred research of mining methods is particularly important.In order to solve the problem of optimizing mining methods for high-quality gently inclined thin veins,a comprehensive evaluation standard system combining variable weight analysis and TOPSIS was proposed to comprehensively evaluate various mining methods.Firstly,a comprehensive evaluation index system was established,taking factors such as mining cost,ore recovery rate,ore depletion rate,difficulty in controlling ground pressure,stability of stope,mining ratio of thousand tons,suitability of the project,difficulty in construction,field production capacity as considerations.Considering the constant power determined by conventional methods such as AHP,there may be a phenomenon of “state imbalance” when evaluating each candidate scheme,introducing a variable weight theory and appropriately adjusting its weight to ensure the balance of various factors.Then the superiority of each scheme was obtained by using TOPSIS method to approach the ranking method of ideal solution.Finally,taking the optimum selection of mining methods in a mine in Inner Mongolia as an example,four schemes were put forward,which were the two-step strip and close filling mining method (Scheme Ⅰ),the upward horizontal layered filling mining method for scraper mining (Scheme Ⅱ),the upward horizontal layered filling mining method for electric picking (Scheme Ⅲ) and the room and pillar mining method (Scheme Ⅳ).The results show that the superiority of each scheme is 82.5%,32.8%,55.3% and 53.8%,respectively.Obviously the first scheme is the best one.The results are consistent with the engineering practice,which shows that the research idea has reference value for the optimization of mining methods,and provides a scientific and effective analysis method for the optimization of mining methods in future engineering.

Key words: mining method, variable weight theory, TOPSIS, comprehensive evaluation index, scheme decision-making, comprehensive superiority

中图分类号: 

  • TD853

图1

采矿方法综合评价指标体系"

表1

综合评判指标体系及其取值"

指标方案Ⅰ方案Ⅱ方案Ⅲ方案Ⅳ
采矿成本(X1100110105116
矿石回采率(X290959364
矿石贫化率(X330202044
地压控制难度(X44666
采场稳定性(X56662
千吨采切比(X611.138.922.214.5
方案适应性(X76686
施工难易度(X88444
生产能力(X9260110105116
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