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VERTICAL PRESSURES AND COMPRESSIVE FRICTION FORCE IN A LARGE SILO REA
Fank,Marivone Z.; Nascimento,José W. B. do; Cardoso,Décio L.; Meira,Ariadne S.; Willrich,Fábio L..
ABSTRACT The grain flow is a dynamic phenomenon of high non-linearity, responsible for the occurrence of a high index of structural problems in silos, assuming particular interest in Brazil because the country does not have a standard of design of these structures. In order to determine the transfer of loads to the foundations, a silo in true magnitude was instrumented through pressure cells in the reinforced concrete slab of the bottom and through load cells under two of its column. The experiment was conducted during the period from December 2016 to February 2017 in Entre Rios do Oeste-PR. The profiles of vertical and the compression friction pressures were obtained during the loading, storage and unloading phases of corn grains. The vertical pressure...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Metal silos; Grain storage; Instrumentation.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162018000400498
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FLOW PROPERTIES AND PATTERN FLOW PREDICTION OF FOOD INDUSTRIAL POWDERS REA
Lopes Neto,José P.; Meira,Ariadne S.; Nascimento,José W. B. do.
ABSTRACT: More and more industries are faced with new products that need to be stored in silos which, in general, require knowledge of their physical properties and, above all, flow. Food industries are among those using powders as raw materials likely to develop functional problems. Thus, the aim of the present study was to investigate the flow properties of six food powders using equipment called Powder Flow Tester, and the results were compared with those recommended by the Eurocode 1 Part 4 international standard. Wide range of variation in the flow properties responses was observed, suggesting that their expression through a single average value may not be suitable for vertical silos. It was concluded that only the bulk density of products is in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Silos; Mass flow; Powder flow tester; Discharge.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000400627
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