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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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Castro Gomes, J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2020Effect of activators on hybrid alkaline binder based on tungsten mining waste and ground granulated blast furnace slagcitations
- 2018Study of an alkali-activated binder based on tungsten mining mud and brick powder wastecitations
- 2018Red clay brick and tungsten mining waste-based alkali-activated binder: Microstructural and mechanical propertiescitations
- 2017Preparation Conditions for the Synthesis of Alkali-Activated Binders Using Tungsten Mining Wastecitations
- 2015Carbon Fiber Epoxy Composites for Both Strengthening and Health Monitoring of Structurescitations
- 2008Alkali-activated binders: A review. Part 2. About materials and binders manufacturecitations
- 2008Properties of tungsten mine waste geopolymeric bindercitations
- 2007Investigations about the effect of aggregates on strength and microstructure of geopolymeric mine waste mud binderscitations
Places of action
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article
Investigations about the effect of aggregates on strength and microstructure of geopolymeric mine waste mud binders
Abstract
Geopolymeric binders appear to be an alternative to traditional Portland cement, due to high mechanical performances and environmental advantages. Some aspects related to the effect of aggregates in the microstructure and mechanical behaviour of geopolymeric mine waste mud (GMWM) binders are reported in the present study. Compressive and tensile strength of mine waste mud binders were analyzed. The factors investigated were the aggregate/binder ratio, the aggregate dimension and aggregate type, schist, granite and limestone. Test results showed that GMWM binders have a very high strength at early ages and also possess a very high tensile strength. It's suggested that behaviour may be due to the dissolution of quartz and alumina in the presence of alkalis enhancing bonding between paste and aggregates. The aggregate dimension showed only significant effect on tensile strength. Limestone aggregates showed a chemical bond to the alkali-activated paste but presented higher shrinkage. It was also found that no traditional porous ITZ was detected in GMWM binders.