COMPRESSIVE STRENGTH BEHAVIOURS OF LAGOON–WATER CURED CEMENT-ALUMINIUM DROSS CONCRETE
DOI:
https://doi.org/10.30572/2018/kje/120405Keywords:
Aluminum dross, Cement, Lagoon water cured, Compressive strengths, Crystal sizes, ColumnAbstract
This study investigates the compressive strengths of concrete cubes and reinforced columns cast with partial replacement of cement using 0- 25 wt.% Aluminum dross (AlDr) and cured in Lagoon water for 7-42days and 1-6 months respectively. The results indicated cubes with 5 wt.% AlDr, 10 wt. % AlDr and control possess strength of 15N/mm2,14.59N/mm2 and 13.48N/mm2 respectively at 28-day curing while at 42-day the results are 16.89N/mm2, 12.22N/mm2 and 16.96N/mm2 for control, 5 and 10 wt.% AlDr respectively. The 42-day compressive strength (79.48%) confirmed the performance at 28-day strength (75%). Control cube (74.6-95.5%) has higher crystallinity compared to cement (65.1-90.1%) and AlDr (62.4-74.0%) but at 15 wt.% AlDr concrete the crystallinity (78.1-96.2%) is superior with marginal crystal sizes variation (12.8-16.9). The strength (~9.5 N/mm2) with 10 wt. % AlDr column cured for 6 months was better than the control columns environment (~7 N/mm2) at 2-month.
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Copyright (c) 2021 Olusegun A. Afolabi, Atinuke Oladoye, Obanishola M. Sadiq, Samson O. Adeosun
This work is licensed under a Creative Commons Attribution 4.0 International License.
