Journal
STRUCTURES
Volume 32, Issue -, Pages 1921-1933Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.istruc.2021.04.003
Keywords
Waste management; Waste recycling; Electric arc furnace slag; Supplementary cementitious materials; Energy-saving concrete mixes; Building beams; Full-scale bending test on beams
Categories
Funding
- Spanish Ministry MCI [RTI2018-097079-B-C31, 10.13039/501100011033, FPU17/03374]
- Junta de Castilla y Leon (Regional Government) [UIC-231, BU119P17]
- Youth Employment Initiative (JCyL) and ESF [UBU05B_1274]
- University of Burgos [SUCONS, Y135.GI]
- UPV/EHU [PPGA20/26]
- Basque Government [IT1314-19]
- AEI [RTI2018-097079-B-C31, 10.13039/501100011033, FPU17/03374]
- EU [RTI2018-097079-B-C31, 10.13039/501100011033, FPU17/03374]
- ERDF [RTI2018-097079-B-C31, 10.13039/501100011033, FPU17/03374, UIC-231, BU119P17]
- ESF [UBU05B_1274]
Ask authors/readers for more resources
The environmental impact of the building sector, especially during the construction phase, emphasizes the need to reconsider materials and construction methods to reduce the environmental impact of concrete-based structures. Research focuses on achieving greener concrete-based building structures through sustainable materials and energy-saving construction techniques. Testing sustainable high-workability concretes with by-products and energy-saving placement techniques showed increased sustainability in building engineering.
The environmental impact of the building sector is especially relevant during the construction phase. Both the materials and the construction methods that are currently in use must be reconsidered, in order to minimize the environmental impact of concrete-based structures. This research is therefore focused on achieving greener concrete-based building structures. In this context, the feasibility of careful use of materials for concrete manufacture and the use of construction techniques that can facilitate and reduce energy consumption during placement are both studied. To do so, twelve sample beams were prepared using eight different sustainable high-workability structural concretes. The aim was to maximize the use of the by-products that amounted to over 80% of the concrete mass, steelmaking slags, fly ash, and quarry waste, and to employ energy-saving concrete placement techniques. The beams underwent bending tests in which their mechanical behavior and their compliance with the specifications of the most relevant building codes were verified. The results pointed to the feasibility of increased sustainability in the field of building engineering through the suitable use of selected byproducts and techniques.
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