摘要
瓦屋磷矿Ⅳ矿段属缓倾斜薄—中厚矿体,生产过程中面临放矿困难,矿体不利于发挥大型自行设备优势,顶板管理难度大等问题导致采矿方法难以确定,对此进行了3种采矿方法试验。在难以通过简单的技术经济分析和优缺点比较来确定出合理采矿方法的情况下,采用层次分析法(AHP)建立了以采矿方法选择所涉及因素为指标体系的层次结构分析模型,然后根据层次分析法基本原理和专家打分制度确定各因素权重,再根据定性指标和定量指标隶属度确定方法建立模糊综合评价矩阵,确定出无轨运输、锚网护顶、轮式出矿的房柱法为瓦屋磷矿Ⅳ矿段最优采矿方法。实践研究表明:该方法具有很好的现场应用效果,优选的采矿方法对于缓倾斜薄—中厚矿体具有较强的适用性,对于具有类似工程地质条件的矿山有一定的借鉴意义。
TheⅣore block of Wawu Phosphate Mine is a gently inclined thin medium thick ore body.In the production process,it is difficult to determine the mining method because of the difficulty to draw ore and manage the roof,and the ore body that is not conducive to make full use of the advantages of large self-made equipment.To solve the problem,three mining methods were tested in the mine.It is so difficult to determine the reasonable mining method through simple technical and economic analysis and comparison of advantages and disadvantages.Under this condition,the analytic hierarchy process(AHP)was used to establish the hierarchical structure analysis model with the factors involved in the selection of mining methods as the index system.The weight of each factor was determined according to the basic principle of AHP and the expert scoring system,and then the fuzzy comprehensive evaluation matrix was established according to the determination method of the membership degree of qualitative index and quantitative index to determine the trackless transportation and anchor net roof protection.The room-and-pillar method of wheel drawing was the best mining method in SectionⅣof Wawu Phosphate Mine.Practical study showed that the method had good field application effect and applicability in gently inclined thin medium thick ore body,which has certain reference significance for mines with the similar engineering geological conditions.
作者
张卫中
王维庆
彭亚利
康钦容
张电吉
ZHANG Weizhong;WANG Weiqing;PENG Yali;KANG Qinrong;ZHANG Dianji(School of Resources&Safety Engineering,Wuhan Institute of Technology,Wuhan 430073,China;Hubei XINGFA Chemical Industry Group Co.,Ltd.,Yichang 443700,China)
出处
《金属矿山》
CAS
北大核心
2022年第9期18-24,共7页
Metal Mine
基金
国家自然科学基金项目(编号:51804222,52174086)
湖北省中央引导地方科技发展专项(编号:2017ZYYD007)
武汉工程大学人才专项经费资助项目(编号:K201727)
武汉工程大学研究生教育创新基金项目(编号:CX2020375)。
关键词
房柱采矿法
层次分析法
模糊数学
出矿方式选择
room-and-pillar mining method
analytical hierarchy process(AHP)
fuzzy mathematics
ore-drawing method selection
