| People | Locations | Statistics |
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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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Sha, Wei
Queen's University Belfast
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (41/41 displayed)
- 2022Acid resistance of alkali-activated binders: a review of performance, mechanisms of deterioration and testing procedurescitations
- 2022Effect of Solution Treatment and Cooling Rate on the Microstructure and Hardness of Ti-6Al-4V Alloy Manufactured by Selective Laser Melting Before and After Hot Isostatic Pressing Treatmentcitations
- 2022A critical review of carbon nanotube-based surface coatingscitations
- 2022Acid resistance of alkali-activated binders: A review of performance, mechanisms of deterioration and testing procedures.citations
- 2021Microstructure and Mechanical Properties of Ti-6Al-4V Manufactured by Selective Laser Melting after Stress Relieving, Hot Isostatic Pressing Treatment, and Post-Heat Treatmentcitations
- 2021Resistance of alkali-activated binders to organic acids found in agri-food effluentscitations
- 2021Performance of cementless binders produced from industrial waste products in strong acidcitations
- 2020Resistance of fly ash geopolymer binders to organic acidscitations
- 2019Demonstration of using low carbon precast concrete products for an energy efficient built environment
- 2019Demonstration of using low carbon precast concrete products for an energy efficient built environment
- 2019Lagoon fly ash: A potential source of the precursor for geopolymer binders
- 2018Effect of slag content and activator dosage on the resistance of fly ash geopolymer binders to sulfuric acid attackcitations
- 2017The Influence of Paste Content, Water-to-Solid Ratio and Binder Blend on Compressive Strength and Workability of Ambient Temperature Cured Alkali Activated Concrete
- 2017Resistance of geopolymer and Portland cement based systems to silage effluent attackcitations
- 2017Guidelines for mix proportioning of fly ash/GGBS based alkali activated concretescitations
- 2016The Role of Water Content and Paste Proportion on Physico-mechanical Properties of Alkali Activated Fly Ash–Ggbs Concretecitations
- 2016Effect of reinforcement and heat treatment on elevated temperature sliding of electroless Ni–P/SiC composite coatingscitations
- 2015Electroless nickel composite (Ni-P/SiC) coating - A study on interface and corrosion characteristic
- 2015Mechanism of effluent attack on Portland cement and alkali activated mortars
- 2014Effect of shotpeening on sliding wear and tensile behavior of titanium implant alloyscitations
- 2014Microstructure, mechanical properties and fractography of heat-treated manganese steel
- 2014Alkali activated fuel ash and slag mixes
- 2014Micro-scale abrasion behaviour of electroless Ni-P-SiC coating on aluminium alloy
- 2013Characterisation of phase composition, microstructure and microhardness of electroless nickel composite coating co-deposited with SiC on casting aluminium LM24 alloy substrate
- 2013Phase composition, microstructure and microhardness of electroless nickel composite coating co-deposited with SiC on cast aluminium LM24 alloy substratecitations
- 2010Abrasive wear resistance of electroless Ni-P coated aluminium after post treatmentcitations
- 2008X-ray diffraction, optical microscopy, and microhardness studies of gas nitrided titanium alloys and titanium aluminidecitations
- 2008X-ray diffraction, optical microscopy, and microhardness studies of gas nitrided titanium alloys and titanium aluminidecitations
- 2006A Phase-field Model for Computer Simulation of Lamellar Structure Formation in gamma-TiAIcitations
- 2005Simulation of microhardness profiles of titanium alloys after surface nitriding using artificial neural network
- 2005Microstructural and mechanical properties of nickel-base plasma sprayed coatings on steel and cast iron substrates
- 2004Modifications of phases, microstructure and hardness of Ni-based alloy plasma coatings due to thermal treatmentcitations
- 2004Experimental and Modelling Studies of the Thermodynamics and Kinetics of Phase and Structural Transformations in a Gamma TiAl-based Alloycitations
- 2004Relation between the microstructure and properties of commercial titanium alloys and the parameters of gas nitridingcitations
- 2004Artificial neural network modelling of crystallization temperatures of the Ni-P based amorphous alloys
- 2003Numerical simulation of macrostructure formation in centrifugal casting of particle reinforced metal matrix composites. Part 2: simulations and practical applications
- 2003Experimental study and computer modelling of the β⇒α + β phase transformation in β21s alloy at isothermal conditionscitations
- 2003Experimental study of the effects of heat treatment on microstructure and grain size of a gamma TiAl alloy
- 2002Development of structural steels with fire resistant microstructurescitations
- 2002Resistivity study and computer modelling of the isothermal transformation kinetics of Ti-8Al-1Mo-1V alloy
- 2002Finite element modeling of the morphology of β to α phase transformation in Ti-6Al-4V alloycitations
Places of action
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document
The Influence of Paste Content, Water-to-Solid Ratio and Binder Blend on Compressive Strength and Workability of Ambient Temperature Cured Alkali Activated Concrete
Abstract
Alkali-Activated Concretes (AACs) or Geopolymers (GP) are considered as potential candidates to play the role of binders substituting Portland cement (PC) in concrete. However, these materials differ from PC in terms of fresh properties (setting time, slump), mechanical properties (strength development, elastic features), and mix proportions. Better understanding of these engineering properties can help to design low CO2 footprint AAC formulations for different construction applications. AACs despite demonstrating promising strength and workability potentials, are still not widely used at an industrial scale, mainly due to the lack of a widely accepted standardised mix design method that fulfils the design requirements such as strength, workability and setting time. In this paper, the proportioning of ambient temperature cured AAC produced from pulverised fuel ash (PFA) and ground granulated blast furnace slag (GGBS) activated with a mixture of sodium hydroxide and sodium silicate solution is discussed. The influence of paste content, water to solid ratio (W/S) and binder blend (PFA/GGBS) ratio was studied. It was found that the strength increased with the increase of GGBS content in the blend. The paste content was found to greatly affect the workability of AAC whereas its influence on strength was insignificant in the investigated range. The influence of W/S ratio on strength was found to be insignificant until a certain ratio beyond which a noticeable drop was detected <br/><br/>