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- W2020071248 abstract "O dimensionamento dos pilares e do reforço do teto em mineração subterrânea de carvão deve levar em consideração parâmetros como o comportamento geomecânico do maciço rochoso e os equipamentos de lavra empregados. Esse artigo demonstra o método de classificação geomecânica baseado no Coal Mine Roof Rating (CMRR), uma ferramenta de engenharia que descreve qualitativamente as condições geológicas e geomecânicas das rochas em minas de carvão para seleção do tipo de suporte de teto. Diferentes índices de CMRR foram identificados e então considerados para definir a largura máxima nos cruzamentos, o comprimento e a capacidade de carregamento dos parafusos de teto. Essa metodologia provou ser adequada, minimizando os riscos de ruptura de teto e predizendo o tipo de suporte mais apropriado a ser empregado às várias zonas dentro do depósito, conforme ilustrado no estudo de caso." @default.
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- W2020071248 date "2004-06-01" @default.
- W2020071248 modified "2023-10-18" @default.
- W2020071248 title "Classificação geomecânica em projetos de reforço do teto em mineração de carvão" @default.
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- W2020071248 doi "https://doi.org/10.1590/s0370-44672004000200004" @default.
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