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TitleA new empirical system for rock slope stability analysis in exploitation stage
Author(s)Pinheiro, Marisa Mota
Sara Sanches
Miranda, Tiago F. S.
Adriana Neves
Tinoco, Joaquim Agostinho Barbosa
Alexandra Ferreira
Correia, A. Gomes
KeywordsSlope stability
Slope Quality Index(SQI)
Hazard evaluation
Exploitation stage
Issue date2015
JournalInternational Journal of Rock Mechanics and Mining Sciences
CitationPinheiro, M., Sanches, S., Miranda, T., Neves, A., Tinoco, J., Ferreira, A., & Correia, A. G. (2015). A new empirical system for rock slope stability analysis in exploitation stage. International Journal of Rock Mechanics and Mining Sciences, 76, 182-191. doi: 10.1016/j.ijrmms.2015.03.015
Abstract(s)An empirical system was developed to obtain a quality index for rock slopes in road infrastructures, named Slope Quality Index (SQI), and it was applied to a set of real slopes.The SQI is supported in nine factors affecting slope stability that contemplate the evaluation of different parameters. Consequently, each factor is classified by the degree of importance and influence by assigned weights. These weights were established through a statistical analysis of replies to a survey that was distributed to several experienced professionals in the field. The proposed SQI varies between1 and 5, corresponding to slopes in very good and very bad condition state, respectively. Besides the advantage linked to a quantitative and qualitative evaluation of slopes, theSQI also allows identifying the most critical factors on the slope stability, which is a fundamental issue for an efficient management of the slope network in the road infrastructure, namely in the planning of conservation and maintenance operations.
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Appears in Collections:ISISE - Artigos em Revistas Internacionais

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