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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.
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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
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document
Study of an alkali-activated binder based on tungsten mining mud and brick powder waste
Abstract
Blends of Tungsten mining waste mud (TMWM) and brick waste powder (BP) with different dosages were used as precursors for the study of a new binder obtained by alkali-activation. The synthesis was obtained at 60 degrees C curing during the first 24 hours and at 20 degrees C during the remaining period. A combination of sodium hydroxide (SH) and sodium silicate (SS) solutions was used with SS/SH weight ratio equal 1.5. The solid precursors/liquid activators weight ratio equal to 4. And the modules SiO2/Na2O increase with the increasing of BP dosages 5.21 and 5.59 for dosages 10% and 50%, respectively. Mineralogical characterisation of raw materials was carried out by X-ray diffraction (XRD). The effect of the dosage of BP on the compressive strength and pore size distribution of the new binder was investigated from 24 hours up to 28 days. The pore size distribution was obtained mercury intrusion porosimetry (MIP). The increase in the dosages of BP, between 10 to 50%, was followed by an increase in compressive strength, from 25 to 59 MPa, for all the tested ages. The binder matrix become more dense and compact with the gradually increase of BP dosages, as found out by MIP.