Aplicação da Geoestatística Não-paramétrica para a compartimentação geomecânica de uma extensão típica do túnel do metrô - Linha 4, da cidade de São Paulo
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2006-01-01
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In view of the limited number of drill holes, interpolation of the data becomes a relatively complex task. In this study, we sought to make estimates associated with lithological types, since a quantification based on lithology can be extracted from the empty spaces in the sampling. For example, QBarton is always below the median of the biotitic litotype, information which can be used in the elaboration of geostatistical models in situations where samples are lacking. To overcome bias in the data, required by geostatistical conceptualization, we worked with the residuals obtained from the adjustment of a surface and the observed values, for the variographic analysis. The final results made possible a more optimized evaluation of the final costs required for the construction project.
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Geomechanics, Geostatístics, Indicator kriging, Qbarton, Rock mass, Subway, Chlorine compounds, Construction industry, Sodium, Subways, Complex tasks, Construction projects, Drill holes, Final costs, Geo-statistics, Geostatistical, Geostatistical modelling, Non-parametric, Optimized evaluation, Subway tunnels, Lithology
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Solos e Rochas, v. 29, n. 1, p. 49-57, 2006.