IMHE OpenIR  > 山地灾害与地表过程重点实验室
Distance discriminant analysis method for stability prediction of rock slope in hydropower engineering regions
Li, Xiuzhen1; Li, Shengwei2
Corresponding Author李秀珍
Source PublicationInternational Conference on Mechanic Automation and Control Engineering ; MACE 2011 - Proceedings
Pages3068 - 3071
Conference Date2011.7
Conference Place内蒙古
Funding Organization内蒙古工业大学

The stability prediction of rock slopes is a key and complicated problem. We took 24 typical rock slopes in hydropower engineering regions in China as examples, to build distance discriminant analysis (DDA) model with posterior probability for slope stability prediction. The 5 combined indexes, i. e, slope rock mass quality coefficient (SRMR), orientation coefficient of structural plane (F), modified coefficient of structural plane types (λ), slope height coefficient (ℰ) and modified coefficient of construction methods (Kw), were used as the discriminant factors. The analysis results show that DDA method has a lower error rate, the average accuracy rate is 91.67%. By using the DDA method, we can obtain the posterior probability belonging to the different classification as well as the classification of slope stability. Therefore, the method may provide a new way for slope stability prediction.

KeywordSlope Stability Prediction Distance Discriminant Analysis Method Posterior Probability
Indexed ByEI
Accession numberAccession number: 20114314453707
Document Type会议论文
Affiliation1.Key Laboratory of Mountain Hazards and Surface Processes, Chengdu Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
2.Chengdu Center for Hydrogeology and Engineering Geology, Sichuan Provincial Geology and Mineral Resources Bureau, Chengdu 610081, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Li, Xiuzhen,Li, Shengwei. Distance discriminant analysis method for stability prediction of rock slope in hydropower engineering regions[C],2011:3068 - 3071.
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