Journal ArticleDOI
Assessment of important parameters involved in the synthesis of geopolymer composites: A review
Khatib Zada Farhan,Khatib Zada Farhan,Megat Azmi Megat Johari,Ramazan Demirboğa,Ramazan Demirboğa +4 more
TLDR
In this article, the authors provide an in-depth overview of the work that has been done to explore different aspects of geopolymerization and develop a comprehensive database, from past research work, that elaborates on influence of important factors like physico-chemical properties of precursors, blending, curing, additives, aggressive environmental conditions and chemical activation.About:
This article is published in Construction and Building Materials.The article was published on 2020-12-20. It has received 66 citations till now.read more
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Porous geopolymer composites: A review
Xiaohong Zhang,Xiaohong Zhang,Chengying Bai,Yingjie Qiao,Xiaodong Wang,Dechang Jia,Hongqiang Li,Paolo Colombo,Paolo Colombo +8 more
TL;DR: In this paper, the authors highlight the current state-of-the-art in the field of porous geopolymer composites manufacturing methods, properties (mechanical properties, thermal properties, adsorption properties, and others), and applications.
Journal ArticleDOI
Recent progress in environmentally friendly geopolymers: A review.
TL;DR: The mechanism of geopolymerization is summarized, including the controlling parameters and different raw materials (fly ash, kaolinite and metakaolin, slag, red mud, silica waste, heavy metals waste, and others) with particular focus on recent studies and challenges in this area.
Journal ArticleDOI
Evaluation of Artificial Intelligence Methods to Estimate the Compressive Strength of Geopolymers
Y. Zou,Chao Zheng,Abdullah M. Alzahrani,Waqas Ahmad,Ayaz Ahmad,Abdeliazim Mustafa Mohamed,Rana Khallaf,Samia Elattar +7 more
TL;DR: In this article , supervised machine learning (SML) techniques, including two individual (decision tree (DT) and gene expression programming (GEP)) and two ensembled (bagging regressor (BR) and random forest (RF)) algorithms were employed to estimate the compressive strength (CS) of GPC.
Journal ArticleDOI
Effect of NaOH concentration on properties and microstructure of a novel reactive ultra-fine fly ash geopolymer
TL;DR: In this article, the authors used reactive ultra-fine fly ash (RUFA) as the primary raw materials in the preparation of a novel RUFA geopolymer, and extensive analysis was conducted to characterize the flowability and mechanical properties.
References
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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.
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Supplementary cementitious materials
TL;DR: The use of silica-rich SCMs influences the amount and kind of hydrates formed and thus the volume, the porosity and finally the durability of these materials.
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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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The Role of Inorganic Polymer Technology in the Development of ‘Green Concrete’
TL;DR: In this paper, the potential position of and drivers for inorganic polymers (“geopolymers”) as an element of the push for a sustainable concrete industry are discussed.
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.
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