Journal ArticleDOI
The mechanical properties of fly ash-based geopolymer concrete with alkaline activators
TLDR
In this article, the effects of chemical changes of alkaline activators on the compressive strength of mortar and analysis of the microstructure of the mortar through SEM, EDS, XRD, FT-IR and by porosity assessments were examined.About:
This article is published in Construction and Building Materials.The article was published on 2013-10-01. It has received 568 citations till now. The article focuses on the topics: Compressive strength & Fly ash.read more
Citations
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Journal ArticleDOI
Geopolymer concrete: A review of some recent developments
TL;DR: An overview of advances in geopolymers formed by the alkaline activation of aluminosilicates is presented along with opportunities for their use in building construction as mentioned in this paper, with respect to fresh and hardened states, interfacial transition zone between aggregate and geopolymer, bond with steel reinforcing bars and resistance to elevated temperature.
Journal ArticleDOI
Clean production and properties of geopolymer concrete; A review
TL;DR: A comprehensive review of GeoPC material, its constituents, production techniques, curing regimes, properties and its potential applications in the construction industry is presented in this paper, where the authors also present a comprehensive analysis of the potential applications of the material.
Journal ArticleDOI
An overview on the influence of various factors on the properties of geopolymer concrete derived from industrial by-products
TL;DR: In this article, the authors present a concise review of the current studies on the utilization of industrial by-products as the primary binder materials in the fabrication of geopolymer concrete.
Journal ArticleDOI
Fiber-reinforced geopolymer composites: A review
Navid Ranjbar,Mingzhong Zhang +1 more
TL;DR: In this article, the rapidly developing state-of-the-art of fiber-reinforced geopolymer composites is discussed, focusing on material and geometrical properties of construction fibers, and underlying mechanisms on fiber-binder interaction at fresh and hardened states.
Journal ArticleDOI
Effects of combined usage of GGBS and fly ash on workability and mechanical properties of alkali activated geopolymer concrete with recycled aggregate
TL;DR: In this paper, the combined effects of ground granulated blast furnace slag (GGBS) and fly ash considering water-binder (W/B) ratio on the fresh and hardened properties of alkali activated GRAC were investigated.
References
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Journal ArticleDOI
Geopolymer technology: the current state of the art
Peter Duxson,Ana Fernández-Jiménez,John L. Provis,Grant C. Lukey,Ángel Palomo,J.S.J. van Deventer +5 more
TL;DR: A brief history and review of geopolymer technology is presented with the aim of introducing the technology and the vast categories of materials that may be synthesized by alkali activation of aluminosilicates as mentioned in this paper.
Journal ArticleDOI
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.
Book
CEB-FIP Model Code 1990
Abstract: Inevitably, reading is one of the requirements to be undergone. To improve the performance and quality, someone needs to have something new every day. It will suggest you to have more inspirations, then. However, the needs of inspirations will make you searching for some sources. Even from the other people experience, internet, and many books. Books and internet are the recommended media to help you improving your quality and performance.
Journal ArticleDOI
The geopolymerisation of alumino-silicate minerals
Hua Xu,J.S.J. van Deventer +1 more
TL;DR: In this paper, the effect of mineral properties on the compressive strength of the synthesized geopolymer was investigated, and it was shown that a wide range of natural Al-Si minerals could serve as potential source materials for the synthesis of geopolymers.
Journal ArticleDOI
Understanding the relationship between geopolymer composition, microstructure and mechanical properties
Peter Duxson,John L. Provis,Grant C. Lukey,Seth W. Mallicoat,Waltraud M. Kriven,Jannie S.J. van Deventer +5 more
TL;DR: In this paper, a mechanistic model accounting for reduced structural reorganization and densification in the microstructure of geopolymer gels with high concentrations of soluble silicon in the activating solution has been proposed.