Effect of the heat curing on strength development of ultra-high performance fiber reinforced concrete (UHPFRC) containing dune sand and ground brick waste

  • Brahim Safi Research Unit: Materials, Processes and Environment (UR/MPE), University of Boumerdes.
  • Amel Aboutair Research Unit: Materials, Processes and Environment (UR/MPE), University of Boumerdes.
  • Mohammed Saidi Research Unit: Materials, Processes and Environment (UR/MPE), University of Boumerdes.
  • Youcef Ghernouti Research Unit: Materials, Processes and Environment (UR/MPE), University of Boumerdes.
  • Chahrazade Oubraham Research Unit: Materials, Processes and Environment (UR/MPE), University of Boumerdes. Algeria
DOI: https://doi.org/10.34118/jbms.v1i2.7
Keywords: Ultra-high performance fiber reinforced concrete, dune sand, ground dune sand, ground brick waste, compressive strength, heat curing

Abstract

This work aims to investigate the strength development of ultra-high performance fiber reinforced concrete (UHPFRC) containing ground dune sand (GDS) and ground brick waste (GWB) as a substitutions of cement and dune sand (DS) as an aggregate. The variables are the nature of addition (GDS and GWB) in the binder and the heat curing at different temperatures (20°C and 60°C) at 7 days of curing. Two temperatures 20°C and 60 °C were applied to samples with intermediate levels for 8 hours in total. In this study, two types of cements (CEMI and CEMII) were used to prepare UHPFRC. The GWB was replaced by GDS at levels of 10, 20 and 30% by weight. The results show that the obtained concretes develop a high mechanical performance with a suitable heat treatment according to the cement type and the used fiber. The compressive strength at 7 days of UHPFRC has increased with heat curing (at 60 °C) compared to that obtained at 28 days and measured at 20 °C. Results show also that values of compressive strength of concrete containing DS are close to those obtained by the control concrete. This study has showed that the dune sand can be used in UHPRC, and that the substitution of the GWB by GDS can provide concretes with acceptable mechanical performance.

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Published
2014-06-06
How to Cite
Safi, B., Aboutair, A., Saidi, M., Ghernouti, Y., & Oubraham , C. (2014). Effect of the heat curing on strength development of ultra-high performance fiber reinforced concrete (UHPFRC) containing dune sand and ground brick waste. Journal of Building Materials and Structures, 1(2), 40-46. https://doi.org/10.34118/jbms.v1i2.7
Issue
Vol 1 No 2 (2014)
Section
Original Articles

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