Journal ArticleDOI
Effects of Si/Al ratio on the efflorescence and properties of fly ash based geopolymer
TLDR
In this paper, a test method of the efflorescence degree of fly ash based geopolymer was proposed and applied and the effects of the Si/Al ratio on products, microstructure, pore structures, compressive strength, water loss rate and efforescence of geopolymers were systematically investigated.About:
This article is published in Journal of Cleaner Production.The article was published on 2020-01-20. It has received 133 citations till now. The article focuses on the topics: Efflorescence & Geopolymer.read more
Citations
More filters
Journal ArticleDOI
Fly ash-based eco-friendly geopolymer concrete: A critical review of the long-term durability properties
TL;DR: In this article, the authors reviewed the clean production, factors affecting the durability of FA-GPC, and the human health and environmental impacts of FA disposal, and also provided a critical review on the long-term durability properties and the behavior of FAGPC composites, in addition to synopsize the research development trends.
Journal ArticleDOI
Advances in geopolymer materials: A comprehensive review
Peiliang Cong,Yaqian Cheng +1 more
TL;DR: In this paper, the shortcomings and application limitations of geopolymer materials were summarized, and their progress was summarized to lay a theoretical foundation for the long-term development of the materials.
Journal ArticleDOI
Reaction mechanisms of alkali-activated materials
TL;DR: The main products obtained in the alkaline activation reaction were also addressed, using the definition of polysialates and zeolites, in the case of geopolymers, and the tobermorite structure, in case of materials rich in calcium as mentioned in this paper.
Journal ArticleDOI
Long-term performance of novel high-calcium one-part alkali-activated cement developed from thermally activated lime kiln dust
Abdullah Kadhim,Abdullah Kadhim,Monower Sadique,Rafal Latif Al-Mufti,Khalid S. Hashim,Khalid S. Hashim +5 more
TL;DR: A second generation of alkali activated binder was developed using Metakaolin (MK) and natural pozzolan material (NP) as a source of alumina-silicate, these materials were activated using high-calcium lime kiln dust as solid activator to transform the alumina silicate crystalline phases to cementitious hydrated products as discussed by the authors.
Journal ArticleDOI
Preparation, characterization and application of red mud, fly ash and desulfurized gypsum based eco-friendly road base materials
TL;DR: In this article, the authors used fly ash and desulfurized gypsum (DG) as the main raw materials to prepare road base materials based on the different (CaO+Na2O)/(SiO2+Al2O3) molar ratio, and its mechanical properties, durability, microstructure and environmental performance were investigated.
References
More filters
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
Geopolymers : inorganic polymeric new materials
TL;DR: In the last few years, technological progress has been made in the development of new materials such as "geopolymers" and new techniques, such as ''sol-gel'' as mentioned in this paper, opening up new applications and procedures and transforming ideas that have been taken for granted in inorganic chemistry.
Journal Article
The distribution of aluminum in the tetrahedra of silicates and aluminates
Journal ArticleDOI
Mechanism of geopolymerization and factors influencing its development: a review
Divya Khale,Rubina Chaudhary +1 more
TL;DR: In this paper, the authors present the work carried out on the chemical reaction, the source materials, and the factor affecting geopolymerization, and demonstrate that certain mix compositions and reaction conditions such as Al2O3/SiO2, alkali concentration, curing temperature with curing time, water/solid ratio and pH significantly influences the formation and properties of a geopolymers.