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Study of the use of crushed sand in cementitious composites with EVA and piassava fibers
Highlights Mix A masked the effect of the presence of crushed sand. Crushed sand did not affect the physical and mechanical properties in mix A. In Mix B, crushed sand increased the mechanical properties by more than 50%. The presence of crushed sand reduced the contribution of fibers to tensile strength. Accelerated aging was most detrimental to matrix in Mix A and to fiber in Mix B.
Abstract This study aimed to evaluate the effects on the physical and mechanical properties of the use of crushed sand in a cementitious composite containing EVA (6%) and piassava fibers (2%). Mix A (1:0.5:0.5) and Mix B (1:3:0.6) were used, with four different proportions of replacement of natural sand by crushed sand (0%, 25%, 50% and 100%). In mechanical tests, the Mix A showed no difference with the substitution of aggregates for all evaluated parameters. On the other hand, in the Mix B there was an increase of 54% in compressive strength, 59% in tensile strength in bending, and 79% in the durability test.
Study of the use of crushed sand in cementitious composites with EVA and piassava fibers
Highlights Mix A masked the effect of the presence of crushed sand. Crushed sand did not affect the physical and mechanical properties in mix A. In Mix B, crushed sand increased the mechanical properties by more than 50%. The presence of crushed sand reduced the contribution of fibers to tensile strength. Accelerated aging was most detrimental to matrix in Mix A and to fiber in Mix B.
Abstract This study aimed to evaluate the effects on the physical and mechanical properties of the use of crushed sand in a cementitious composite containing EVA (6%) and piassava fibers (2%). Mix A (1:0.5:0.5) and Mix B (1:3:0.6) were used, with four different proportions of replacement of natural sand by crushed sand (0%, 25%, 50% and 100%). In mechanical tests, the Mix A showed no difference with the substitution of aggregates for all evaluated parameters. On the other hand, in the Mix B there was an increase of 54% in compressive strength, 59% in tensile strength in bending, and 79% in the durability test.
Study of the use of crushed sand in cementitious composites with EVA and piassava fibers
Moreira, Rafael Nascimento (author) / de Souza, Thiago Francisco (author) / Pessôa, José Renato de Castro (author) / da Silva, Everton José (author) / Amado, Franco Dani Rico (author)
2020-09-12
Article (Journal)
Electronic Resource
English
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