Previous classification of rock mass surrounding underground excavations and rock support design using block models.

Simple item page
dc.contributor.authorAquino, Iure Borges de Moura
dc.contributor.authorRenó, Rodolfo
dc.contributor.authorRolo, Roberto Mentzingen
dc.contributor.authorZingano, André Cezar
dc.contributor.authorLima, Hernani Mota de
dc.date.accessioned2022-09-21T19:48:34Z
dc.date.available2022-09-21T19:48:34Z
dc.date.issued2021pt_BR
dc.description.abstractThe creation of tridimensional models that represent the quality and geomechan- ical characteristics of the rock mass to be excavated can be made by using spatial inter- polation techniques. The aim of this research is to improve the safety in underground activities, as well as to spread and popularize the use of spatial interpolation methods to represent both the spatial continuity of the quality of the rock mass and the geome- chanical variables through geostatistical methods. This article presents and demon- strates the viability of using Q-System block models estimated from the borehole data for previous classification of the rock mass surrounding the underground excavation and rock support design. The block model for the support design of galleries is justified because it allows to previously forecast the kind and quantity of support necessary for the stability of the excavation, as well as the costs with these devices, besides increas- ing the safety in the operations. Techniques of indicator kriging and ordinary kriging were used to build the Q-System index block model. The model was validated through the techniques of visual inspection and cross validation. The data used in this study were collected from the geotechnical description of 39 borehole core samples with a total measurement of 4,015 meters in Fazenda Brasileiro Mine, located in the town of Teofilândia, Bahia State, Brazil.pt_BR
dc.identifier.citationAQUINO, I. B. de M. et al. Previous classification of rock mass surrounding underground excavations and rock support design using block models. REM - International Engineering Journal, Ouro Preto, v. 74, p. 511-519, out./nov. 2021. Disponível em: <https://www.scielo.br/j/remi/a/NJb7CyrcS3W7SQrM6JbWF6z/abstract/?format=html&lang=en>. Acesso em: 29 abr. 2022.pt_BR
dc.identifier.doihttps://doi.org/10.1590/0370-44672020740124pt_BR
dc.identifier.issn2448-167X
dc.identifier.urihttp://www.repositorio.ufop.br/jspui/handle/123456789/15451
dc.language.isoen_USpt_BR
dc.rightsabertopt_BR
dc.rights.licenseAll content of the journal, except where identified, is licensed under a Creative Commons attribution-type BY. Fonte: o PDF do artigo.pt_BR
dc.subjectGeostatisticalpt_BR
dc.subjectDrill corept_BR
dc.subjectRock mass qualitypt_BR
dc.titlePrevious classification of rock mass surrounding underground excavations and rock support design using block models.pt_BR
dc.typeArtigo publicado em periodicopt_BR
Files
Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
ARTIGO_PreviousClassificationRock.pdf
Size:
1.7 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
DEMIN - Artigos publicados em periódicos