Investigating the Ability of producing Sustainable Blocks using Recycled Waste

Authors

  • Ahmed S. Jaafar Department of Civil Engineering, University of Baghdad, Iraq
  • Zena K. Abbas Department of Civil Engineering, University of Baghdad, Iraq
  • Abbas A. Allawi Department of Civil Engineering, University of Baghdad, Iraq
Volume: 13 | Issue: 6 | Pages: 12006-12011 | December 2023 | https://doi.org/10.48084/etasr.6357

Abstract

The primary objective of this study is to manage price market items in the construction of walls for affordable structures with load-bearing hollow masonry units using the ACI 211.1 blend design with a slump range of 25-50 mm that follows the specification limits of IQS 1077. It was difficult to reach a suitable cement weight to minimum content (economic and environmental goal), so many trail mixtures were cast. A portion (10-20%) of the coarse aggregates was replaced with concrete, tile, and clay-brick waste. Finally, two curing methods were used: immersion under water as normal curing, and water spraying as it is closer to the field conditions. The recommendation in IQS 1077 to increase the curing period from 14 to 28 days was taken into account. The results proved that the compressive strength of the blocks of cured immersion under water increased by 2.63%-0.63% and 5.12%-7.88% for 10% and 20% concrete waste aggregates, decreased by 0,3.84% and 4.22%,6.41% for 10% and 20% tile waste aggregates, and decrease by 5.71%-6.10% and 12.1%-11.4% for 10% and 20% brick waste aggregates, respectively at 14 and 28 days, and beams that were cured by spraying performed a little worse than those immersed under water.

Keywords:

concrete waste aggregates, mosaic-tiles waste aggregates, clay-brick waste aggregates, load bearing hollow block, sustainable block

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References

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How to Cite

[1]
A. S. Jaafar, Z. K. Abbas, and A. A. Allawi, “ Investigating the Ability of producing Sustainable Blocks using Recycled Waste”, Eng. Technol. Appl. Sci. Res., vol. 13, no. 6, pp. 12006–12011, Dec. 2023.

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