Results 181 to 190 of about 6,053,575 (214)

Pozzolanic Activity of Calcined Red Mud

"SP-132: Fly Ash, Silica Fume, Slag, and Natural Pozzolans and Natural Pozzolans in Concrete - Proceedings Fourth Interna", 1992
In order to investigate the possibility of using red mud by-product from the aluminum industry) as a pozzolan in the cement and concrete industries, tests were carried out to examine the pozzolanic properties of calcined red mud. It was found that the red mud had the maximum reactivity when calcined at 600 deg C, because on hydration the lime content ...
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Pozzolanic activity of various siliceous materials

Cement and Concrete Research, 2006
Abstract The accelerated pozzolanic activity of various siliceous materials, like silica fume, fly ash (as received and fine ground), quartz, precipitated silica, metakaolin and rice husk ash (RHA; various fineness and carbon content), has been determined.
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Summary of Methods for Determining Pozzolanic Activity

1950
The testing of pozzolanic materials has been studied by investigators for over a hundred years. For the most part, strength values have been the basis used in comparing the results obtainable by quicker methods. However, inasmuch as some other quality may be more important than strength in specific applications of pozzolans, strength is not a universal
WT Moran, JL Gilliland
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Pozzolanic activity of mechanochemically and thermally activated kaolins in cement

Cement and Concrete Research, 2015
This paper reports on the mechanochemical activation by intensive grinding as an alternative way to produce pozzolanically reactive metakaolin. The physicochemical properties, pozzolanic reactivity and impact on cement hydration of mechanochemically and thermally activated kaolinitic clays were compared.
Souri, Alireza, Kazemi-Kamyab, Hadi, Snellings, Ruben, Naghizadeh, Rahim, Golestani-Fard, Farhad, Scrivener, Karen   +5 more
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Pozzolanic activity of palm bunch wastes

Materials and Structures, 1989
The paper reports an investigation of the ash from the burnt stalks of oil palm bunches as a suspected agricultural waste with pozzolanic activity. Chemical analysis confirmed the presence of the major elements silica, alumina, potassium and a comparatively low content of calcium, all of which are necessary for pozzolanic activity.
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Pozzolanic behavior of thermally activated kaolin

"SP-132: Fly Ash, Silica Fume, Slag, and Natural Pozzolans and Natural Pozzolans in Concrete - Proceedings Fourth Interna", 1992
In this study different clays were tested with various granular sizes and calcination parameters. The pozzolanic properties were investigated using metakaolin-lime mixtures by the evaluation of both the mechanical strength and combined lime. The mineralogical composition, particle size distribution and degree of amorphousness were the main factors ...
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Pozzolanic Activity and Hydration Properties of Feldspar After Mechanical Activation

Powder Technology, 2021
Xianjun Lyu, Geng Yao
exaly  

Pozzolanic Activity Evaluation Methods of Solid Waste: A Review

Journal of Cleaner Production, 2023
Zengqi Zhang, Xiaoming Liu
exaly  

Assessment of Lithium Slag as a Supplementary Cementitious Material: Pozzolanic Activity and Microstructure Development

Cement and Concrete Composites, 2023
Prabir Sarker, Faiz Shaikh, Aaron Dodd
exaly  

The Particle-Size Effect of Waste Clay Brick Powder on Its Pozzolanic Activity and Properties of Blended Cement

Journal of Cleaner Production, 2020
Chuanbei Liu, Zhenhai Xu
exaly