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| Constantino,Rodrigo A.; Lopes Neto,José P.; Nóbrega,Marcilene V. da; Nascimento,José W. B. do; Silva,Jefferson H. G. da. |
| ABSTRACT The use of synthetic fibers as reinforcement for concrete replacing the steel reinforcement has been diffused worldwide in several applications, gaining prominence in the application for industrial floors, tunnel linings, road pavements, etc., i.e., continuous structures in contact with soil that require performance in the elastic medium. The present study investigated the applicability of concrete reinforced with synthetic fibers in the bottom slab of silos supported directly on the ground, being composed of an experimental study and a case study. The experimental study consisted of the analysis of the mechanical behavior of this concrete by testing three concentrations of synthetic fibers (3.0, 4.5 and 6.0 kg m-3) in a conventional simple... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mechanical behavior; Design; Alternative materials. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662020000400274 |
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| Furtado,Dermeval A.; Castro,Thiago B. de S.; Lopes Neto,Jose P.; Constantino,Rodrigo A.; Cunha,Maria das G. G.; Nascimento,José W. B. do. |
| ABSTRACT Feed supplementation with multinutrient blocks (MB) for sheep and goats can be a viable alternative in the Brazilian semiarid region, and it is necessary to set an ideal hardness to obtain maximum feed efficiency. Therefore, this study aimed to evaluate the manufacture of MB using five binders: Portland cement, lime, kaolin, Portland cement + kaolin and lime + bentonite, at two percentages (7.5 and 10%) and two healing times (72 and 96 h). The experimental design was completely randomized in a 5 x 2 x 2 factorial scheme (binders, percentages and healing times, respectively), with five repetitions. Using lime in the MBs led to greater resistance in the specimens (208.53 kPa), as well as the greater percentage of binders (10%), ensuring higher... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Water absorption; Hardness; Resistance; Feed supplementation. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662018000800558 |
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