层次分析法_可拓学模型在岩质边坡稳定性安全评
发布时间:2021-06-05
发布时间:2021-06-05
层次分析法_可拓学模型在岩质边坡稳定性安全评价中的应用_王新民
第44卷第6期 中南大学学报(自然科学版) 2013年6月 Journal of Central South University (Science and Technology) Vol.44 No.6 June 2013
层次分析法 可拓学模型在岩质边坡稳定性安全评价中的应用
王新民1,康虔1,秦健春1, 2,张钦礼1,王石1
(1. 中南大学 资源与安全工程学院,湖南 长沙,410083; 2. 柳州华锡有色设计研究院有限责任公司,广西 柳州,545005)
摘要:为解决境界外驻留矿体的开采技术难题,综合运用物元概念的可拓学理论与层次分析法,建立多层次多指标的岩质边坡稳定性综合评价模型,对边坡稳定性进行评价,得出安全等级标准及评价指标量值。运用层次分析法确定影响边坡稳定性的安全评价指标的权重系数,根据可拓学理论构造经典域物元、节域物元和可拓集合中的关联函数,建立岩质边坡稳定性安全评价的层次分析法 可拓学模型,得到岩质边坡稳定性安全评价结果。经计算,岩质边坡稳定性综合安全评价的级别特征值为2.19,安全等级为I级,边坡稳定性处于极稳定状态。研究结果与矿山以往运用RMR法和BQ法计算的评价结果一致。 关键词:可拓学;层次分析法;评价模型;岩质边坡;安全等级
中图分类号:TD313 文献标志码:A 文章编号:1672 7207(2013)06 2455 08
Application of AHP-extenics model to safety evaluation of
rock slope stability
WANG Xinmin1, KANG Qian1, QIN Jianchun1, 2, ZHANG Qinli1, WANG Shi1
(1. School of Resources and Safety Engineering, Central South University, Changsha 410083, China;
2. Liuzhou Huaxi Non-ferrous Design Research Institute Co. Ltd., Liuzhou 545005, China)
Abstract: In order to solve the mining technical problem of the orebody outside the boundary, the theory of extenics about the matter-element concept and the analytic hierarchy process (AHP) were applied to establish a multi-layer comprehensive evaluation model of rock slope stability, thus the slope stability was evaluated and the safety level standard and the evaluation index were obtained. Firstly, the weight vector about the safety index was determined by AHP which influenced the slope stability, the elements in classical and joint field, correlation function of matter elements in extension sets were structured by extenics theory, an AHP-extenics model of rock slope stability was set up with comprehensive evaluation and then the safety evaluation result of rock slope stability was obtained. Through the calculation of the model, the safety index is 2.19 and the security level is I, which means that the comprehensive safety level of the rock slope is hyper-stable. The research results are consistent with those of the RMR method and BQ method. Key words: extenics; analytic hierarchy process (AHP); evaluation model; rock slope; security level
据国内外有关资料统计,露天矿山开采结束后,残留在境界外的驻留矿体占总储量的5%~16%。对于马钢集团姑山矿业有限公司,解决露天铁矿驻留矿体开采技术难题,回收宝贵的驻留铁矿资源,实现驻留矿体的安全、高效、低成本开采,不仅可以消除姑山
收稿日期:2012 04 29;修回日期:2012 06 05
基金项目:科技部“十一五”科技支撑计划资助项目(2008BAB32B03)
通信作者:王新民(1957 ),男,安徽安庆人,教授,博士生导师,从事采矿工艺与充填技术研究与教学工作;电话:0731-88879612;E-mail:
wxm1958@
铁矿资源枯竭对公司可持续发展的制约,也可促进公司的科研工作和矿山现代化建设整体水平的全面提高。而且随着国内越来越多矿山从露天转为地下开采,通过认真分析、研究,掌握驻留矿体开采设计、施工及生产实践中的规律和特点,可为今后露天转地下开