Journal ArticleDOI
Low temperature alkaline activation of weathered fly ash: Influence of mineral admixtures on early age performance
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TLDR
In this article, the early-age behavior of several binary alkali activated binders was assessed in terms of workability, chemical shrinkage, strength development and ultrasonic pulse velocity, and the mineral admixtures in the binary systems were blast furnace slag, silica fume and metakaolin.About:
This article is published in Construction and Building Materials.The article was published on 2015-07-01. It has received 66 citations till now. The article focuses on the topics: Metakaolin & Fly ash.read more
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A critical review of geopolymer properties for structural fire-resistance applications
TL;DR: In this article, the potential of geopolymers towards enhancing the structural fire resistance by critically reviewing its properties subjected to elevated temperature exposure is discussed, and the influence of these factors is discussed at length in this article.
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Recycling of MSWI fly ash by means of cementitious double step cold bonding pelletization: Technological assessment for the production of lightweight artificial aggregates.
TL;DR: An extensive study on the recycling of municipal solid waste incinerator fly ash by means of cold bonding pelletization is presented, resulting in lightweight concrete of average performance.
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Mechanical and thermal properties of lightweight geopolymer composites
Francesco Colangelo,Giuseppina Roviello,Laura Ricciotti,Veronica Ferrandiz-Mas,Francesco Messina,Claudio Ferone,Oreste Tarallo,Raffaele Cioffi,Christopher R. Cheeseman +8 more
TL;DR: In this paper, the properties of thermally insulating geopolymer composites that were prepared using waste expanded polystyrene as lightweight aggregate have been investigated in terms of physico-mechanical properties, thermal performance and microstructure.
Journal ArticleDOI
Shrinkage and strength development of alkali-activated fly ash-slag binary cements
TL;DR: In this paper, the effect of fly ash and slag proportions and the type of activating solution on shrinkage and strength development of alkali-activated binary fly ash-slag mixtures (mortar and paste), cured at room temperature, was evaluated.
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Multi-Material Additive Manufacturing of Sustainable Innovative Materials and Structures
Rupinder Singh,Ranvijay Kumar,Ilenia Farina,Francesco Colangelo,Luciano Feo,Fernando Fraternali +5 more
TL;DR: Three different recycled thermoplastics, namely acrylonitrile butadiene styrene (ABS), polylactic acid (PLA), and high impact polystyrene (HIPS) (with different Young’s modulus), have been selected for multi-material additive manufacturing (AM) route for manufacturing of innovative materials and structures.
References
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Journal ArticleDOI
A review on the utilization of fly ash
TL;DR: In this article, the utilization of fly ash in construction, as a low-cost adsorbent for the removal of organic compounds, flue gas and metals, light weight aggregate, mine back fill, road sub-base, and zeolite synthesis is discussed.
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Alkali-activated fly ashes: A cement for the future
TL;DR: In this paper, the mechanism of activation of fly ash with highly alkaline solutions is described, and the product of the reaction is an amorphous aluminosilicate gel having a structure similar to that of zeolitic precursors.
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A review of the multi-component utilisation of coal fly ash
Robert Blissett,Neil A. Rowson +1 more
TL;DR: In this paper, the potential applications for coal fly ash as a raw material were reviewed. And the authors found that there is significant potential for the increased utilisation of coal fly-ash both in its raw and refined state.
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Effect of GGBFS on setting, workability and early strength properties of fly ash geopolymer concrete cured in ambient condition
Pradip Nath,Prabir Kumar Sarker +1 more
TL;DR: In this paper, a fly ash-based geopolymer concrete for curing in ambient condition can be proportioned for desirable workability, setting time, and compressive strength using ground granulated blast-furnace slag (GGBFS) as a small part of the binder.
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Alkali-activated fly ash/slag cements: Strength behaviour and hydration products
TL;DR: The activation of fly ash/slag pastes with NaOH solutions has been studied in this paper, where the authors established the equations of the models describing the mechanical behaviour of these pastes as a function of the factors and levels considered.