2014
DOI: 10.1590/s0370-44672014000200015
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Estimate of hourly productivity applied to elaboration and implementation of mining plans

Abstract: In order to elaborate a mine plan, it is necessary to adopt hourly production parameters for the equipment available for its execution. This ResumoPara elaboração de planos de lavra, é necessário adotar parâmetros de produtividade horária dos equipamentos disponíveis para sua execução. Esses equipamentos devem estar em sincronia com a capacidade produtiva das operações unitárias de lavra mineira: perfuração de rocha, desmonte, carregamento e transporte. Esse estudo trata da estimativa de índices de produtiv… Show more

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Cited by 7 publications
(6 citation statements)
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“…On the other hand, the very definition of "sustainability" or "sustainable Este é um artigo publicado em acesso aberto sob uma licença Creative Commons development" has undergone and continues to undergo constant reformulations, since it is not something ready and finished (absolute), but what is being practically constructed based on the interdependent relationship among society, the economy and the natural environment. In broad terms, the concept of sustainable development encompasses three main dimensions: environmental, economic and social -which is represented by Triple Bottom Line concept (Rodovalho and Cabral, 2014;Sachs, 2004;Elkington, 1998). The Triple Bottom Line is represented by an equilateral triangle that assumes the balance between the social, environmental and economic components, as shown in Figure 2.…”
Section: Mining and Sustainabilitymentioning
confidence: 99%
“…On the other hand, the very definition of "sustainability" or "sustainable Este é um artigo publicado em acesso aberto sob uma licença Creative Commons development" has undergone and continues to undergo constant reformulations, since it is not something ready and finished (absolute), but what is being practically constructed based on the interdependent relationship among society, the economy and the natural environment. In broad terms, the concept of sustainable development encompasses three main dimensions: environmental, economic and social -which is represented by Triple Bottom Line concept (Rodovalho and Cabral, 2014;Sachs, 2004;Elkington, 1998). The Triple Bottom Line is represented by an equilateral triangle that assumes the balance between the social, environmental and economic components, as shown in Figure 2.…”
Section: Mining and Sustainabilitymentioning
confidence: 99%
“…In Brazil, the majority of the population perceives the mineral sector as having a significant environmental impact (Oliveira Cruz and da Cunha Rodovalho 2019), especially after the recent collapse of two tailings dams. Therefore, the mining sector is seeking new exploitation technologies to minimise its environmental impact, such as reducing the tailings by separating the coarse grained particles (Shouhouhi and Williams 2017), while meeting market demand (El Hajj et al 2019; Brandao Gomes et al 2015; Stohard and Laurence 2014; da Cunha Rodovalho and Eyer Cabral 2014). Bauxite mines usually store the waste as construction material for safety berms, reshaping the terrain and for haul road maintenance.…”
Section: Introductionmentioning
confidence: 99%
“…Elaboration of a feasibility study specifying how and with what resources the objectives of the evaluation can be achieved in terms of methodology. Mining operations should have production goals that are feasible and compatible with the system capacity (Rodovalho and Cabral, 2014) [4]. The feasibility study by a rough estimate of needs and costs in order to have an idea of the general budget is necessary to avoid precisely quantifying all needs and focus only on the most strategic ones.…”
Section: Introductionmentioning
confidence: 99%