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Keywords: characteristic
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Proceedings Papers

Paper presented at the ISRM VIII Brazilian Symposium on Rock Mechanics - SBMR 2018, August 28–September 1, 2018
Paper Number: ISRM-SBMR-2018-01
... characteristics of the catchment area. In this method, the hazard is given by a matrix of probability versus intensity. Seven open-pit mining faces were analyzed in a quartzite mine, located in São Thomé das Letras, Minas Gerais State (Brazil). Most of the slopes were considered to be hazardous, due to the...
Proceedings Papers

Paper presented at the ISRM VII Brazilian Symposium on Rock Mechanics - SBMR 2016, October 19–22, 2016
Paper Number: ISRM-SBMR-2016-03
... joint (jC). Therefore, the RMi index is a dimensional number and it has the same unit of the uniaxial compressive strength. The individual components of the input in RMi, the strength of the intact rock and the characteristics of the joints are measured and combined to deduce the rock mass strength. In...
Proceedings Papers

Paper presented at the ISRM VII Brazilian Symposium on Rock Mechanics - SBMR 2016, October 19–22, 2016
Paper Number: ISRM-SBMR-2016-09
... calculation results showed that the height of the slope and the catchment area characteristics were the determining factors in the rockfall hazard. KEYWORDS: Hazard Rating System, Rock Rating System, urban areas. 1 INTRODUCTION In the town of Mariana, Minas Gerais, as well as in several Brazilian cities, the...
Proceedings Papers

Paper presented at the ISRM Conference on Rock Mechanics for Natural Resources and Infrastructure - SBMR 2014, September 9–13, 2014
Paper Number: ISRM-SBMR-2014-010
... and the exposure time. A rock can change in a time interval which may vary from thousands of years to a few months depending on the characteristics of alterability. This paper aims a critical analysis of laboratory testing procedures to define the properties of rock materials. The test procedures that...

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