Development of a Low-Cost Device for Monitoring Ventilation Parameters (Temperature, Humidity and Pressure) in Underground Environments to Increase Operational Safety Using IoT

Autor: Rita de Cassia Pedrosa Santos, José Margarida da Silva, Walter Albergaria Junior, Claudio Lúcio Pinto, Michel Melo Oliveira, Douglas Batista Mazzinghy

Publikováno v: Mining, Vol 2, Iss 4, Pp 746-756 (2022)

The important role of ventilation in underground mines is to ensure safety and adequate environmental conditions in all accessible areas of a mine. This research aims to develop low-cost solutions for monitoring ventilation parameters in underground

Externí odkaz: https://doaj.org/article/7a0964dc2019406788663728b503d3bf

FEM-DEM simulation of Uniaxial Compressive Strength (UCS) laboratory tests

Autor: Michel Melo Oliveira, Cláudio Lúcio Lopes Pinto, Douglas Batista Mazzinghy

Publikováno v: REM: International Engineering Journal, Vol 73, Iss 4, Pp 561-569 (2020)

Abstract Finite/discrete element methods (FDEM) are hybrid numerical models that use algorithms to analyze the transition from continuous to discontinuous. This type of formulation allows modeling physical laboratory tests with greater proximity to r

Externí odkaz: https://doaj.org/article/991cb77110fb46f38bb4f9564a22643c

Dimensionamento empírico de realce em Sublevel Stoping

Autor: Michel Melo Oliveira

Publikováno v: Biblioteca Digital de Teses e Dissertações da UFMGUniversidade Federal de Minas GeraisUFMG.

Empirical methods should be applied only in situations where the features are similar to those used in their original database. The Stability Graph methodologies proposed by Mathews et al. (1981) and by Potvin (1988) are used to design open stopes. C

Externí odkaz: http://hdl.handle.net/1843/CMBC-8V7GV3

Evaluation of an iron ore price forecast using a geometric Brownian motion model

Autor: Douglas Batista Mazzinghy, Michel Melo Oliveira, Viviane da Silva Borges Barbosa, André Lubene Ramos, Gilberto Rodrigues da Silva

Publikováno v: REM-International Engineering Journal v.72 n.1 suppl.1 2019
REM-International Engineering Journal
Fundação Gorceix (FG)
instacron:FG
REM-International Engineering Journal, Volume: 72, Issue: 1 Supplement 1, Pages: 15-9, Published: MAR 2019
REM: International Engineering Journal, Vol 72, Iss 1 suppl 1, Pp 9-15

Mining projects are often budgeted in millions of dollars, making it of interest to the investor to measure a project’s uncertainties and risks, which include the changes in the commodity price. The simulation of asset prices is valid because it en

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f83a4c568db149f7db9e9f44b082f124
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2448-167X2019000200009

Avaliação do potencial espeleológico na Serra do Gandarela em ambiente 3D, a partir de métodos de geoprocessamento aplicado à segurança e avaliação ambiental de atividades minerárias

Autor: Jonas de Oliveira Laranjeira

Publikováno v: Repositório Institucional da UFMG
Universidade Federal de Minas Gerais (UFMG)
instacron:UFMG

Dentre os estudos de avaliação ambiental necessários para o licenciamento de empreendimentos de mineração, têm ganhado cada vez mais importância os estudos de avaliação das cavidades, no ramo da espeleologia. A Serra do Gandarela, localizada

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::a80259e82d3218dc48de1a16b30ab7b6