Production of high-strength concrete using high volume of industrial by-products |
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| Affiliation: | 1. UPV/EHU, Dept. of Engineering of Materials, c/Alameda Urquijo s/n, 48013 Bilbao, Spain;2. UPV/EHU, Dept. of Mechanical Engineer, c/Alameda Urquijo s/n, 48013 Bilbao, Spain;3. Gikesa-Eraiker, Poligono Belartza, Calle Enrique Múgica, San Sebastian, Spain;4. Department of Construction, EPS University of Burgos, Calle Villadiego s/n, 09001 Burgos, Spain;5. Department of Civil Engineering, EPS University of Burgos, Calle Villadiego s/n, 09001 Burgos, Spain |
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| Abstract: | The production of a high-strength, high performance concrete using high volumes of industrial by-products is tested in laboratory mixtures. The by-products used are high-calcium fly ash and ladle furnace slag as binders and electric arc furnace slag as aggregates. Fly ash is used as 50% by mass of the total binder and ladle furnace slag as 30% by mass of the total binder. Slag aggregates are used in replacement of coarse aggregate or in replacement of both fine and coarse aggregates. In the mixtures containing both supplementary cementitious materials and slag aggregates the produced concrete shows high-strength (>70 MPa), good abrasion resistance and fracture toughness. |
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