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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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Barnett, Stephanie Jayne
University of Portsmouth
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Life cycle assessment of steel fibre-reinforced concrete beamscitations
- 2019Behaviour of hybrid steel fibre reinforced self compacting concrete using innovative hooked-end steel fibres under tensile stresscitations
- 2017Effects of steel fibre-aggregate interaction on mechanical behaviour of steel fibre reinforced concretecitations
- 2016Investigating geometrical size effect on the flexural strength of the ultra high performance fibre reinforced concrete using the cohesive crack modelcitations
- 2016Distribution and orientation of steel fibres in steel fibre reinforced concrete
- 2016Factors influencing the compressive strength of fly ash based geopolymerscitations
- 2014Modelling behaviour of ultra high performance fibre reinforced concretecitations
- 2014Numerical simulation of ultra high performance fibre reinforced concrete panels subjected to blast loadingcitations
- 2013Maturity testing of lightweight self-compacting and vibrated concretescitations
- 2011Study of fibre orientation and distribution in UHPFRC by electrical resistivity and mechanical tests
- 2010Assessment of fibre orientation in ultra high performance fibre reinforced concrete and its effect on flexural strengthcitations
- 2008The effect of temperature on the rate of strength development of slag cement
- 2007Fast-track construction with slag cement concrete: adiabatic strength development and strength prediction
- 2007UHPFRC - Optimisation of mix proportions
- 2006Strength development of mortars containing ground granulated blast-furnace slag: effect of curing temperature and determination of apparent activation energiescitations
- 2003Extent of immiscibility in the ettringite-thaumasite systemcitations
- 2002Study of thaumasite and ettringite phases formed in sulfate/blast furnace slag slurries using XRD full pattern fittingcitations
- 2001An XRPD profile fitting investigation of the solid solution between ettringite, Ca6Al2(SO4)3(OH)12.26H2O, and carbonate ettringite, Ca6Al2(CO3)3(OH)12.26H2Ocitations
- 2000Solid solutions between ettringite, Ca6Al2(SO4)3(OH)12.26H2O, and thaumasite, Ca3SiSO4CO3(OH)6.12H2Ocitations
Places of action
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article
An XRPD profile fitting investigation of the solid solution between ettringite, Ca6Al2(SO4)3(OH)12.26H2O, and carbonate ettringite, Ca6Al2(CO3)3(OH)12.26H2O
Abstract
The solid solution between ettringite (Ca6Al2(SO4)(3)(OH)(12). 26H(2)O) and carbonate ertringite (Ca6Al2(CO3)(OH)(12). 26H(2)O) has been investigated by X-ray powder diffraction (XRPD) full pattern fitting. A single solid-solution phase was found when SO42- was the majority anion, while two phases existed when CO32- predominated. It is proposed that the formation of two phases is due to a crystallographic incompatibility between the two end members and hence, no mechanism for a continuous solid-solution series from one to the other is possible. Interpreting the data using the variation in unit cell volume as a function of chemical composition and through a unit cell parameter map, a more detailed examination of the crystallography of the phases was possible. This showed that the solid-solution mechanisms at the atomic level lead to complex yet consistent changes in the unit cell shape and volume that are readily followed by modem powder diffraction methods. (C) 2001 Elsevier Science Ltd. All rights reserved.