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Acid degradation of alkali-activated materials [PDF]

, 2022
Acid corrosion of concrete sewerage pipes arouses both industry and academy concern in recent years due to the high cost of rehabilitation and replacement. Alkali activated materials, also named geopolymers, are recommended as potential alternative materials to Portland cement (PC)-based concrete in sewer environments due to their better resistance to ...
Wang, Yanru
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Rheology of alkali-activated materials: A review

Cement and Concrete Composites, 2021
Abstract Many alkali-activated materials (AAMs) exhibit poor workability in mixing owing to great viscosity of the paste and fast setting. Chemical admixtures commonly used in Portland cement-based materials, such as rheology control additives and superplasticizers, show lower efficiency in AAM systems.
Caijun Shi, Zuhua Zhang, Ning Li
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Chemistry and materials science of alkali-activated materials [PDF]

, 2022
Learning about the action of alkali on aluminosilicate materials (natural ones or proceeding from industrial activities) is an old ambition of the scientific community. A few of those challenges established by scientists in this field are raw materials, manipulation of reactions, properties of the precipitated products, and fields for the applications.
Leonelli C., Palomo A.
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Alkali Activated Material Brick

2021
The infrastructure development is playing key role in the developing country like India. The need of new construction materials, processes and construction techniques have been increased. With the increased need of new sustainable construction materials, researchers focus on utilization of waste materials which have great potential to replace the ...
Hiral Modha, Nerit Sharma, Suryakant Singh   +2 more
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Photocatalysis in alkali activated cementitious materials

Journal of Building Engineering, 2022
Abstract Photocatalysis technology shows a great potential in environmental pollution governance because it can effectively control pollutants without producing secondary pollution. The researchers have made long-term efforts to enable photocatalysis to gradually enter practical applications.
Yidi Wang, Na Zhang, Yi Zhou, Chao Li, Jihan Zhao, Yihe Zhang   +5 more
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Durability of Alkali‐Activated Materials: Progress and Perspectives

Journal of the American Ceramic Society, 2014
In the last decade, there has been rapid growth in interest in alternative binders, as part of the toolkit of cement technologies needed to mitigate the carbon footprint associated with the construction industry. Alkali‐activated materials ( AAM s), including geopolymer binders and other ...
Susan A. Bernal, John L. Provis
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Immobilisation of iodide in alkali-activated materials

Chemosphere
At the Fukushima Daiichi Nuclear Power Station (FDNPS), continuous water circulation cools fuel debris, leading to the presence of radionuclides such as Sr-30, Cs-137, and I-129 in the cooling water. These radionuclides are adsorbed and co-precipitated by various materials.
Raudhatul Islam Chaerun, Manami Ishimura, Pramesti Prihutami, Xiaobo Niu, Yusuke Ohya, Kazuma Kuroda, Kanako Toda, Ryosuke Kikuchi, Tsubasa Otake, John L. Provis, Yogarajah Elakneswaran, Tsutomu Sato   +11 more
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Volcanic tuff as a raw material for alkali-activated materials

International Journal of Advanced Natural Sciences and Engineering Researches, 2023
Currently, the use of geopolymers as cementitious materials is constantly evolving due to theirexcellent properties and efficiency, such as low CO2 emissions, high compressive strength, and lowpermeability. On the other hand, volcanic tuff can be used as a potential raw material for syntheticgeopolymers due to its reactivity, wide availability in ...
Abderrachid Boumaza, Mohamed Lyes Kamel Khouadjia, Hamdi Oualid, Hichem Alioui   +3 more
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Alkali Activated Cementitious Materials: An Overview

MRS Proceedings, 1991
ABSTRACTAlkali-activated cementitious materials have considerable potential, with properties ranging from very high early strength to very high long term strength and low porosity. The role of alkalis in activating industrial by-products such as ground granulated (glassy) blast-furnace slag, ultra-fine silica fume or other by-product silicas, glassy ...
D. M. Roy, M. R. Silsbee
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Geopolymers and Related Alkali-Activated Materials

Annual Review of Materials Research, 2014
The development of new, sustainable, low-CO2 construction materials is essential if the global construction industry is to reduce the environmental footprint of its activities, which is incurred particularly through the production of Portland cement.
John L. Provis, Susan A. Bernal
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