某尾矿库模袋法筑坝与加高扩容坝体稳定性分析Stability Analysis Based on Geofabriform Method and Raising and Expanding Volume of a Tailings Dam
张文学,王孟来
摘要(Abstract):
尾矿库是金属矿山和非金属矿山必备的生产设施,也是矿山最大的危险源。本文以模袋法筑坝的云南某尾矿库为工程背景,采用Geo-Studio软件,对模袋法堆积尾矿坝的稳定性进行了计算分析。结果显示,现状尾矿坝坝体(总坝高61 m)在特殊工况下安全系数不满足规范要求,需要对坝体实施块石贴坡加固等措施;措施实施后,3种工况下尾矿坝的安全系数均能满足规范要求,且尾矿坝可继续加高18 m。研究成果可为该尾矿库后续的设计、施工和管理等提供技术支撑。
关键词(KeyWords): 加高扩容;尾矿;尾矿库;稳定性
基金项目(Foundation):
作者(Author): 张文学,王孟来
参考文献(References):
- [1]王国锋,李媛.金属尾矿库卫生防护距离计算方法探讨-以钨矿尾矿库为例[J].江西化工,2017(5):68-70.WANG Guofeng,LI Yuan.Discussion on the calculation method of the health protection distance metal tailings--takes a tungsten ore Tailings pond as an example[J].Jiangxi Chemical Industry,2017(5):68-70.
- [2]尹光志,魏作安,许江.细粒尾矿及其堆坝稳定性分析[M].重庆:重庆大学出版社,2004:2-6.
- [3]贺金刚,张亚先,于菲.黄铁矿氧化对尾矿库的影响初探[J].中国钨业,2015,30(6):28-34.HE Jingang,ZHANG Yaxian,YU Fei.Effect of pyrite oxidation on tailings reservoir[J].China Tungsten Industry,2015,30(6):28-34.
- [4]WEI Z A,YIN G Z,WANG J G,et al.Design,construction and management of tailings storage facilities for surface disposal in China:case studies of failures[J].Waste Management and Research,2013,31(1):106-112.
- [5]张天瑞,刘烈文,曾海平,等.某钨矿尾矿库坝体渗水治理实践[J].中国钨业,2014,29(6):16-20.ZHANG Tianrui,LIU Liewen,ZENG Haiping,et al.Seepage control for a tungsten mine's tailings dam[J].China Tungsten Industry,2014,29(6):16-20.
- [6]傅联海.樟斗尾矿库安全隐患的治理[J].中国钨业,2004,19(1):41-43.FU Lianhai.Treatment of potential safety hazards in Zhangdou tailings pond[J].China Tungsten Industry,2004,19(1):41-43.
- [7]王仁品.我国尾矿库安全现状及管理措施探讨[J].世界有色金属,2019(5):120-121.WANG Renpin.Safety status and management measures of tailings reservoirs in China[J].World Nonferrous Metals,2019,(5):120-121.
- [8]周汉民.基于模袋法堆坝的尾矿坝稳定性研究[D].北京:北京科技大学,2017.ZHOU Hanmin.Study on the stability of tailings dam based on geofabriform method[D].Beijin:School of University of Science and Technology Beijing,2017.
- [9]张强.基于时程法的细粒尾矿模袋法筑坝尾矿库地震稳定性分析[J].现代矿业,2016,32(12):129-132.ZHANG Qiang.Study of the dynamic stability of fine tailings dam using geotextile tubes based on time-history analysis method[J].Modern Mining,2016,32(12):129-132.
- [10]李巧燕,王惠栋,马国伟,等.尾矿坝筑坝模袋力学性能试验研究[J].岩土力学,2016,37(4):957-964.LI Qiaoyan,WANG Huidong,MA Guowei,et al.An experimental study of the mechanical performance of tailings dam geofabriform[J].Rock and Soil Mechanics,2016,37(4):957-964.
- [11]韩亚兵,崔旋,郄永波.基于不同模袋材质的细粒分级尾矿模袋堆坝工业试验研究[J].有色金属(矿山部分),2019,71(4):41-46.HAN Yabing,CUI Xuan,QIE Yongbo.Industrial test of damming using different kinds of geofabriform filled with graded tailings[J].Nonferrous Metals(Mine Section),2019,71(4):41-46.
- [12]刘江萍,刘瀚和.模袋堆坝法在某尾矿库应急度汛中的应用[J].有色冶金设计与研究,2015,36(2):16-17.LIU Jiangping,LIU Hanhe.Application of molding-bag tailingheaped dam method in a tailing pond during emergency floodpassing season[J].Nonferrous Metals Engineering&Research,2015,36(2):16-17.
- [13]钟能.江西某钨矿尾矿库的发展历程[J].大众科技,2015,17(9):47-51.ZHONG Neng.The development of a Jiangxi tungsten tailings[J].Popular Science&Technology,2015,17(9):47-51.
- [14]中华人民共和国住房和城乡建设部,中华人民共和国国家质量监督检验检疫总局.尾矿堆积坝岩土工程技术规范:第7部分勘察文件编制:GB50547-2010[S].北京:中国计划出版社,2010:22-23.
- [15]中华人民共和国住房和城乡建设部,中华人民共和国国家质量监督检验检疫总局.尾矿设施设计规范:第4部分尾矿坝:GB50863-2013[S].北京:中国计划出版社,2013:14-18.