基于AHP层次分析法的离子型稀土矿原地浸出边坡稳定评价研究

曾伟; 谢韶宜; 王观石; 桂勇; 管华栋; 罗嗣海

doi:10.12075/j.issn.1004-4051.2023.04.010

基于AHP层次分析法的离子型稀土矿原地浸出边坡稳定评价研究

1. 江西理工大学, 江西赣州 341000;
2. 赣南科技学院, 江西赣州 341000;
3. 南昌航空大学, 江西南昌 330000

基金项目:

国家重点研发项目资助(编号:2019YFC1805100)

江西省教育厅基金资助(编号:GJJ180502)

详细信息

第一作者简介:
曾伟(1986-),男,汉族,江西赣州人,博士,讲师,主要从事矿山边坡安全方面的研究,E-mail:381080625@qq.com

中图分类号: TD824.7
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出版历程
- 收稿日期: 2022-09-03
- 网络出版日期: 2023-05-08

Study on slope stability evaluation system for ionic rare earth ore in-situ leaching process based on AHP

1. Jiangxi University of Science and Technology, Ganzhou 341000, China;
2. Gannan University of Science and Technology, Ganzhou 341000, China;
3. Nanchang Hangkong University, Nanchang 330000, China

摘要

摘要:
离子吸附型稀土矿是我国重要的稀土资源, 主要的开采工艺为原地浸矿。原地浸矿中的注液活动会对山体边坡的安全稳定性造成影响, 因此, 快速保证山坡在实施原地浸矿过程中的安全稳定性一直是原地浸矿开采工艺亟待解决的难题。本文通过分析工程特点, 研究了影响离子型稀土矿原地浸出工艺过程中边坡稳定的主要影响因素, 建立了能够考虑浸矿工艺影响的边坡稳定评价层次分析模型。该层次模型由2级、5类、11项指标组成, 采用AHP层次法和灰色关联理论, 计算了考虑浸矿工艺影响的指标权重, 将所研究的评价体系应用于实际浸矿工程中, 计算结果与极限平衡法分析结果进行对比。研究结果表明, 该方法简便可行, 结论可靠, 能够为原地浸矿工程决策提供参考。
- 原地浸出 /
- 边坡稳定 /
- AHP层次分析法 /
- 灰色关联理论 /
- 离子型稀土矿
Abstract:
Ion adsorption type rare earth ore is an important rare earth resource in China and its main mining method is in-situ leaching.Liquid injection activities in in-situ leaching will affect the safety and stability of mountain slopes.Therefore, ensuring the safety and stability of mountain slopes in the process of in-situ leaching is always a difficult problem to be solved urgently.In this paper, the characteristics of in-situ leaching engineering are analyzed, the main influencing factors of slope stability in in-situ leaching process of ionic rare earth ore are studied, and a hierarchical analysis model of slope stability evaluation is established which could consider the influence of leaching process.The hierarchical model consists of 2 levels, 5 categories and 11 indexes.The weight of indexes considering the influence of leaching process is calculated by using AHP hierarchy method and grey relational theory.The evaluation system proposed in this paper is applied to the actual leaching engineering, and the calculation results are compared with the analysis results of limit equilibrium method.The results show that the method is simple and feasible, and the conclusion is reliable, which can provide reference for decision-making of in-situ leaching project.
- in-situ leaching /
- slope stability /
- AHP /
- grey relational theory /
- ionic rare earth ore

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