Strength and drying shrinkage properties of concrete containing furnace bottom ash as fine aggregate |
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| Affiliation: | 1. Queen’s University of Belfast, School of Civil Engineering, David Kier Building, Stranmillis Road, Belfast, BT7 1NN;2. Queen’s University of Belfast, School of Engineering, Stranmillis Road, Belfast, BT7 1NN;1. Department of Environment and Planning, CESAM, University of Aveiro, 3810-193 Aveiro, Portugal;2. Department of Civil Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal;3. Department of Materials and Ceramics Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal;4. Department of Geosciences, GEOBIOTEC, University of Aveiro, 3810-193 Aveiro, Portugal;1. Faculty of Civil Engineering Technology, Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300 Gambang, Malaysia;2. Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Malaysia;1. Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor Bahru, Malaysia;2. Center of Environmental Sustainability and Water Security (IPASA), RISE, Universiti Teknologi Malaysia, 81310 Johor Bahru, Malaysia;3. Dept. of Materials Science Research Institute of Hydro-Québec Varennes (Montreal), Québec J3X 1S1, Canada;4. UTM Construction Research Centre (UTM CRC), Faculty of Civil Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor Bahru, Malaysia;5. Department of Civil Engineering, University of Engineering and Technology, Peshawar, Pakistan;1. LGCgE-GCE, École des Mines de Douai, 59508 Douai, France;2. C2MA, École des Mines d’Alès, 30100 Alès, France;1. Department of Civil and Environmental Engineering, Lamar University, Beaumont, TX 77710, United States;2. Department of Mechanical Engineering, Lamar University, Beaumont, TX 77710, United States;3. Department of Chemistry and Biochemistry of Lamar University, Beaumont, TX 77710, United States |
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| Abstract: | The strength and drying shrinkage of concretes with the natural sand replaced with furnace bottom ash (FBA) at 0%, 30%, 50%, 70% and 100% by mass, were studied at fixed water–cement ratios (W/C) and fixed slump ranges.The results showed that, at fixed water–cement ratios, the compressive strength and the drying shrinkage decreased with the increase of the FBA sand content. However, at fixed workability, the compressive strength was comparable with that of the control concrete, while the drying shrinkage increased with the increase of the FBA sand content beyond 30% replacement level. Nevertheless, 30% of the natural sand can be beneficially replaced with the FBA sand to produce concrete in the compressive strength range from 40 to 60 N/mm2 without detrimentally affecting drying shrinkage properties of the concrete. |
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