2017
DOI: 10.1590/0366-69132017633652018
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Determinação da densidade de empacotamento de sistemas granulares compostos a partir da areia normal do IPT: comparação entre modelos de otimização de distribuição granulométrica e composições aleatórias

Abstract: Determinação da densidade de empacotamento de sistemas granulares compostos a partir da areia normal do IPT: comparação entre modelos de otimização de distribuição granulométrica e composições aleatórias (Determination of the particle packing of granular systems composed with the Brazilian standard sand from IPT: comparison between models for particle size distribution optimization and random compositions) Américas, Curitiba, PR 81531-980 carolinalondero7@gmail.com, lenzlauri@hotmail.com, icaro.santos@ciment… Show more

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Cited by 11 publications
(14 citation statements)
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“…The RLV20 composite has the advantage of lower cement consumption and mechanical strength gain of over 23%, as well as lower density among all composites. The packing density is naturally higher for sand grains, given their bulk density greater than RLV [9]. On the other hand, when analyzing the mixtures, the packing densities increase as the fine material content increases.…”
Section: Figurementioning
confidence: 99%
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“…The RLV20 composite has the advantage of lower cement consumption and mechanical strength gain of over 23%, as well as lower density among all composites. The packing density is naturally higher for sand grains, given their bulk density greater than RLV [9]. On the other hand, when analyzing the mixtures, the packing densities increase as the fine material content increases.…”
Section: Figurementioning
confidence: 99%
“…Considering that the optimization of granulometry can change the packing density favoring the reduction of voids [9], it was decided to verify, in this study, the degree of packing (compaction) provided by the addition of fine glass dust in a certain range size of the selected sand.…”
Section: Introductionmentioning
confidence: 99%
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“…Other experimental and analytical methods, such as those developed by Fuller-Thompson, Bolomey, Joisel and Faury [32], despite not being applied in the determination of dosage for SCC, also have the principle of ensuring a maximum possible packing, minimizing the void content, by means of reference curves that allow to obtain an ideal grading curve of aggregate compositions, in order to better represent all the particles in the particle size fractions. These models have been the basis for other mathematical models of particle size distribution that have been applied in the determination of SCC compositions in several studies, among them the Alfred model or modified Andersen-Andreasen (A&A) model [25,28,[33][34][35][36]:…”
Section: Introductionmentioning
confidence: 99%
“…De acordo com Londero et al (2017), o empacotamento de partículas em concretos e argamassas está adquirindo cada vez mais importância no âmbito técnico, devido ao fato de muitas das propriedades dos materiais compósitos serem influenciadas pelo índice de vazios e pela concentração de sólidos.…”
Section: O Que é Empacotamento De Agregados?unclassified