工程科学学报.第44卷，第X期：1-10.2021年X月 Chinese Journal of Engineering,Vol.44,No.X:1-10,X 2021 https://doi.org/10.13374/j.issn2095-9389.2021.02.01.001;http://cje.ustb.edu.cn 非煤露天矿山岩质边坡稳定性评价标准探讨 吴顺川2，贺鹏彬，程海勇2)四，王广和)，张小强)，张中信 1)昆明理工大学国土资源工程学院，昆明6500932)北京科技大学金属矿山高效开采与安全教育部重点实验室，北京1000833)中勘冶 金勘察设计研究院有限责任公司，保定071051 ☒通信作者，E-mail:haiker2007@163.com 摘要根据露天矿山的生产工艺特征，将岩质边坡划分为总体边坡、路间边坡和台阶边坡三种尺度，并对其控制因素、破 坏模式进行了分析：结合土木工程边坡规范和非煤露天矿山边坡规范的边坡设计安全系数取值，讨论了国内外非煤露天矿山 边坡设计安全系数的要求，提出了六条建议：综合考虑服务年限、边坡尺度规模的设计安全系数改进方案，并引入失稳概率， 拓展了不同尺度边坡稳定性评价的设计标准，可有效提升非煤露天矿岩质边坡稳定性评价的合理性和科学性，进一步完善了 矿山边坡设计理论和方法， 关键词露天矿山：岩质边坡：设计安全系数：失稳概率：边坡稳定性：评价标准 分类号TD804 Discussion on the stability evaluation standard of a rock slope in a noncoal open-pit mine WU Shun-chuan2.HE Peng-bin,CHENG Hai-yong WANG Guang-he,ZHANG Xiao-qiang,ZHANG Zhong-xin 1)Faculty of Land Resources Engineering,Kunming University of Science and Technology,Kunming 650093,China 2)Key Laboratory of High Efficient Mining and Safety of Metal Mines(Ministry of Education),University of Science and Technology Beijing.Beijing 100083,China 3)Zhongkan Metallurgical Geotechnical Investigation Design and Research Institute Co.,Ltd,Baoding 071051,China Corresponding author,E-mail:haiker2007@163.com ABSTRACT As an important way to obtain mineral resources,open-pit mining has accounted for about 77%of the total production of the mined iron ore,and about 52%of the total production of non-ferrous ore,indicating huge development potential.With the continuous development of open-pit mines to deep and large-scale directions,the height of mine slopes is constantly increasing and the maximum height has exceeded kilometers.Slope instability disaster is a major problem faced by open-pit mines,and the evaluation and analysis of the stability of mine slopes are of great importance.However,in the stability evaluation and analysis of rock slopes in many open-pit mines,the engineering scale is ignored,the value of design safety factor is too conservative,and the evaluation index is single,rendering it difficult to consider the economy and safety of mine slope evaluation and resulting in the waste of resources and frequent accidents.In this paper,rock slopes were divided into three scales according to the production process characteristics of open-pit mines:(1)overall slope,(2)inter-ramp slope,and (3)bench slope.Moreover,the control elements and failure modes of the slopes were analyzed. Combined with the design safety factor value of the civil-engineering slope standards and specifications of a non-coal open-pit mine slope,the design safety factor requirements of non-coal open-pit mine slopes at home and abroad were discussed,then six suggestions were put forward.Comprehensively taking service years and the improved scheme of design safety factor in slope scale into consideration,the instability probability were introduced to extend the design standard of slope stability evaluation in different scales, which can effectively improve the rationality and scientificity of the rock slope stability evaluation in non-coal open-pit mines,further improving the mining slope design theory and method. 收稿日期：2021-02-01 基金项目：云南省创新团队资助项目(202105AE160023):云南省高校科技创新团队资助项目(KKTA201921003)非煤露天矿山岩质边坡稳定性评价标准探讨 吴顺川1,2)，贺鹏彬1)，程海勇1,2) 苣，王广和3)，张小强1)，张中信1) 1) 昆明理工大学国土资源工程学院，昆明 650093    2) 北京科技大学金属矿山高效开采与安全教育部重点实验室，北京 100083    3) 中勘冶 金勘察设计研究院有限责任公司，保定 071051 苣通信作者， E-mail: haiker2007@163.com 摘    要    根据露天矿山的生产工艺特征，将岩质边坡划分为总体边坡、路间边坡和台阶边坡三种尺度，并对其控制因素、破 坏模式进行了分析；结合土木工程边坡规范和非煤露天矿山边坡规范的边坡设计安全系数取值，讨论了国内外非煤露天矿山 边坡设计安全系数的要求，提出了六条建议；综合考虑服务年限、边坡尺度规模的设计安全系数改进方案，并引入失稳概率， 拓展了不同尺度边坡稳定性评价的设计标准，可有效提升非煤露天矿岩质边坡稳定性评价的合理性和科学性，进一步完善了 矿山边坡设计理论和方法. 关键词    露天矿山；岩质边坡；设计安全系数；失稳概率；边坡稳定性；评价标准 分类号    TD804 Discussion on the stability evaluation standard of a rock slope in a noncoal open-pit mine WU Shun-chuan1,2) ，HE Peng-bin1) ，CHENG Hai-yong1,2) 苣 ，WANG Guang-he3) ，ZHANG Xiao-qiang1) ，ZHANG Zhong-xin1) 1) Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China 2) Key Laboratory of High Efficient Mining and Safety of Metal Mines (Ministry of Education), University of Science and Technology Beijing, Beijing 100083, China 3) Zhongkan Metallurgical Geotechnical Investigation Design and Research Institute Co., Ltd, Baoding 071051, China 苣 Corresponding author, E-mail: haiker2007@163.com ABSTRACT    As an important way to obtain mineral resources, open-pit mining has accounted for about 77% of the total production of the mined iron ore, and about 52% of the total production of non-ferrous ore, indicating huge development potential. With the continuous development of open-pit mines to deep and large-scale directions, the height of mine slopes is constantly increasing and the maximum height has exceeded kilometers. Slope instability disaster is a major problem faced by open-pit mines, and the evaluation and analysis of the stability of mine slopes are of great importance. However, in the stability evaluation and analysis of rock slopes in many open-pit mines, the engineering scale is ignored, the value of design safety factor is too conservative, and the evaluation index is single, rendering it difficult to consider the economy and safety of mine slope evaluation and resulting in the waste of resources and frequent accidents. In this paper, rock slopes were divided into three scales according to the production process characteristics of open-pit mines: (1) overall slope,  (2)  inter-ramp  slope,  and  (3)  bench  slope.  Moreover,  the  control  elements  and  failure  modes  of  the  slopes  were  analyzed. Combined with the design safety factor value of the civil-engineering slope standards and specifications of a non-coal open-pit mine slope, the design safety factor requirements of non-coal open-pit mine slopes at home and abroad were discussed, then six suggestions were  put  forward.  Comprehensively  taking  service  years  and  the  improved  scheme  of  design  safety  factor  in  slope  scale  into consideration, the instability probability were introduced to extend the design standard of slope stability evaluation in different scales, which can effectively improve the rationality and scientificity of the rock slope stability evaluation in non-coal open-pit mines, further improving the mining slope design theory and method. 收稿日期: 2021−02−01 基金项目: 云南省创新团队资助项目（202105AE160023）；云南省高校科技创新团队资助项目（KKTA201921003） 工程科学学报，第 44 卷，第 X 期：1−10，2021 年 X 月 Chinese Journal of Engineering, Vol. 44, No. X: 1−10, X 2021 https://doi.org/10.13374/j.issn2095-9389.2021.02.01.001; http://cje.ustb.edu.cn