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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Nunes, Sandra
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Hardening characterisation of a non-proprietary and more eco-friendly UHPCcitations
- 2023Hardening characterisation of a non-proprietary and more eco-friendly UHPCcitations
- 2022Multi-level study on UHPFRC incorporating ECatcitations
- 2021Chloride Ion Penetration into Cracked UHPFRC During Wetting-drying Cyclescitations
- 2021Durability of an UHPC containing spent equilibrium catalystcitations
- 2020Quaternary blends of portland cement, metakaolin, biomass ash and granite powder for production of self-compacting concretecitations
- 2019Spent equilibrium catalyst as internal curing agent in UHPFRCcitations
- 2019Spent equilibrium catalyst as internal curing agent in UHPFRCcitations
- 2018Durability of fibre reinforced cementitious composites
- 2018Alkali-activated cement using slags and fly ash
- 2014Linking fresh and durability properties of paste to SCC mortarcitations
- 2009Combined effect of two sustainable technologies: Self-compacting concrete (SCC) and controlled permeability formwork (CPF)citations
Places of action
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article
Quaternary blends of portland cement, metakaolin, biomass ash and granite powder for production of self-compacting concrete
Abstract
[Abstract:] Given the rising societal pressure towards sustainable waste management and resource efficiency, in a more circular economy, an increased use and diversification of supplementary cementitious materials (SCM) will be necessary to achieve the CO2 mitigation goals. The current study addresses the development of self-compacting concrete, replacing part of the cement (the primary source of CO2 emissions) by metakaolin and wastes derived from two industrial sectors operating in the “Galicia–North of Portugal Euroregion”: wood manufacturing and natural stone quarrying. A study was carried out at the mortar level to investigate the effect of the mix design variables on several engineering properties of the self-compacting concrete. Statistically designed experiments reveal that an increase in water/powder volume ratio has a dominant effect on the fresh state properties, whereas the water/cement weight ratio has a dominant effect on the hardened state properties. A like-for-like comparison of the proposed quaternary blends and previously studied binary/ternary blends indicates that these mixtures exhibit improved self-compacting ability, greater compressive strength, and can offer interesting opportunities to reduce the unit cost and environmental impact of self-compacting concrete per m3. Four different mortar mixtures were optimised to achieve excellent self-compacting ability yet with distinct compressive strength levels at 28 days (65, 70, 75, and 80 MPa). A single measure of the material efficiency is proposed herein to reflect the engineering properties improvement (workability, compressive strength, and durability) over its economic (unit cost) and environmental impact. ; This work was financially supported by: Base Funding - UIDB/04708/2020 and Programmatic Funding - UIDP/04708/2020 of the CONSTRUCT - Instituto de I&D em Estruturas e Construções - funded by national funds through the FCT / MCTES (PIDDAC); by the INBRAIL project - POCI-01-0247-FEDER-033990 funded by FEDER funds through COMPETE2020 ...