Experimental study of concrete mixtures to produce UHPRC using sustainable brazilians materials
R. R. Aguero
J. R. Y. Aguirre
A. Campos Filho
L. C. P. da Silva Filho
C. S. Mallmann
|Published in:||Revista IBRACON de Estruturas e Materiais, August 2019, n. 4, v. 12|
An experimental study is presented to produce Ultra High Performance Reinforced Concrete (UHPRC) with sustainable materials produced in Brazil. A complete factorial arrangement was defined and five controllable factors were selected based on the literature review. Cylindrical specimens were tested at 7, 14 and 28 days of curing, with and without heat treatment. The residual deviations of the results were determined and an analysis of variance using ANOVA was applied to know the contribution of each controllable factor on the compressive strength, which reached a maximum value of 138.12 MPa. Finally, a mix design is proposed to obtain UHPRC by applying a simple manufacturing procedure using commercial materials, with which a high performance concrete can be obtained, reaching at least 70% of its strength in seven days.
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