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Comparison of field and laboratory models of the load bearing capacity in coffee plantations Ciência e Agrotecnologia
Iori,Piero; Dias Junior,Moacir de Souza; Ajayi,Ayodele Ebenezer; Guimarães,Paulo Tácito Gontijo; Pais,Paula Sant'Anna Moreira; Andrade,Maria Luiza de Carvalho.
Precompression stress is an important property for assessment of tropical soil structure sustainability and is often determined in laboratory tests. The objective of this study was to compare the load bearing capacity models obtained with controlled moisture in laboratory and those obtained with natural field moistures determined a long one year. The evaluation of soil structural sustainability follows four distinct steps: soil sampling in the field, uniaxial compression test of the samples in the laboratory, determination of precompression stress and estimation of the load bearing capacity models. Laboratory estimates of precompression stress were obtained from moisture controlled in laboratory and from natural moisture determined in a field a long one...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural traffic; Coffea Arabica L.; Homogeneity test; Precompression stress.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542013000200003
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