铀矿冶2025，Vol.44Issue(2)：38-51,14.DOI:10.13426/j.cnki.yky.2025.01.05
基于AHP-TOPSIS的急倾斜薄矿脉采矿方法及采场结构参数优选
Mining Methods and Structural Parameter Optimization for Steeply Inclined Thin Ore Veins Based on AHP-TOPSIS
王滔 1孙刚友 1杨江坤 1任赛1
作者信息
- 1. 中核矿业科技集团有限公司,北京 101149
- 折叠
摘要
Abstract
As the mining depth of a uranium mine continues to increase,the ore body shows a trend of decreasing thickness and increasing inclination angle.This paper focuses on the steeply inclined thin ore veins of the uranium mine,utilizing the AHP-TOPSIS method for comparative analysis of differ-ent mining methods,and proposes a high-segment continuous efficient collaborative mining method suitable for the thin ore veins in this mine.Based on this,the numerical analysis is conducted using FLAC3D to examine different structural parameter schemes of the stope,analyzing the stress field,displacement field,and distribution characteristics of the plastic zone during the mining process,ulti-mately acquiring the optimal stope structural parameters.The results indicate that:no tensile stress was observed in the top and intermediary pillars in scheme 1 to 4,while a small amount of tensile stress occurred in schemes 5 and 6;the proportion of the plastic zone varies from 22.52％to 27.98％across scheme 1 to 6,with scheme 3 demonstrating better stability.Considering both safety and eco-nomic factors,the optimal stope structural parameters are determined to be a top pillar height of 5 m and an intermediary pillar width of 8 m(scheme 3).关键词
铀矿山/急倾斜薄矿脉/AHP-TOPSIS方法/采场结构参数/稳定性/FLAC3DKey words
uranium mine/steeply inclined thin ore veins/AHP-TOPSIS method/mining face struc-tural parameters/stability/FLAC3D分类
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王滔,孙刚友,杨江坤,任赛..基于AHP-TOPSIS的急倾斜薄矿脉采矿方法及采场结构参数优选[J].铀矿冶,2025,44(2):38-51,14.
