Results 81 to 90 of about 375,303 (201)

Study of the Pozzolanic Reactivity of Sugar Cane Straw Ashes (SCSA) Burned under Controlled Conditions. [PDF]

Materials (Basel), 2023
Rodrigues MS, Payá J, Soriano L, Monzó J, Borrachero MV, Savastano H, Beraldo AL.   +6 more
europepmc   +1 more source

A Mass Balance Approach for Thermogravimetric Analysis in Pozzolanic Reactivity R³ Test and Effect of Drying Methods. [PDF]

Materials (Basel), 2021
Weise K, Ukrainczyk N, Koenders E.
europepmc   +1 more source

Pozzolanic Reactivity and Hydration Products of Cementitious Material Prepared Using Molybdenum Tailings

, 2023
This study aimed to examine the pozzolanic reactivity and hydration products of cementitious materials prepared using molybdenum tailings. During the grinding process, the particle size of molybdenum tailings decreases continuously between 15 and 60 min,
Xiaogang Guo, Shihu Shi, Zongwen Wang, Zhenjiang Wen, Biyao Geng, Kun Wang, Jianxun Fu   +6 more
core   +1 more source

Indirect and direct Chapelle's methods for the determination of lime consumption in pozzolanic materials

Revista IBRACON de Estruturas e Materiais
In this work, comments are made about indirect methods and direct Chapelle's method applied to the determination of the reactivity of pozzolanic materials.
V. A. Quarcioni, F. F. Chotoli, A. C. V. Coelho, M. A. Cincotto   +3 more
doaj   +1 more source

Improvements on Pozzolanic Reactivity of Coal Refuse by Thermal Activation

Environment and Pollution, 2012
Today, coal refuse as industrial solid waste stockpiled on the ground is one of the greatest threats to the environment. One of the practical solutions to utilize this huge amount of solid waste is to activate the coal refuse and utilize it as substitution for portion of ordinary Portland cement.
Yuan Yao, Henghu Sun
openaire   +2 more sources

Valorization of cockle shell powder as a sustainable supplementary cementitious material: Multimodal characterization and pozzolanic assessment

Next Materials
The investigation into sustainable supplementary cementitious materials (SCMs) has intensified in response to the urgent requirement to reduce the carbon footprint of Portland cement.
Mir Zubayer Mahmood, Aizat Alias
doaj   +1 more source

Preliminary Study of the Pozzolanic Activity of Dumped Mine Wastes Obtained from the North Bohemian Basin in the Czech Republic

Medžiagotyra, 2017
Three dumped raw materials, a tuff and two bentonites, obtained from two mining sites at the North Bohemian basin in the Czech Republic, have been studied in order to evaluate them as pozzolanic admixtures in lime mortars for employment in restoration of
Konstantinos SOTIRIADIS, Petr ŠAŠEK, Radek ŠEVČÍK, Pavel SCHMIDT, Michal ŘEHOŘ, Alberto VIANI   +5 more
doaj   +1 more source

Evaluation of pozzolanic reactivity of artificial pozzolans

, 2011
Pozzolanicity is a very interesting issue regarding building materials, as a way to enhance mortars and concrete durability. This property results from the reaction between calcium hydroxide and silica and alumina based materials.
Santos Silva, A., Faria Rodrigues, P., Pontes, J.   +2 more
core  

Pozzolanic Reactivity and the Influence of Rice Husk Ash on Early-Age Autogenous Shrinkage of Concrete

Frontiers in Materials, 2019
In this study, the role of a locally available rice husk ash (RHA) in reducing early-age shrinkage of high performance concrete (HPC) after evaluating its pozzolanic reactivity was evaluated.
Muhammad Nasir Amin, Syed Hissan, Khan Shahzada, Kaffayatullah Khan, Tayyaba Bibi   +4 more
doaj   +1 more source

A Research on Developing Zeolite Based Lime Mortars [PDF]

MATEC Web of Conferences
Zeolites are aluminosilicate materials that possess a crystalline structure characterized by an interlinked three-dimensional framework of AlO4 and SiO4 tetrahedra.
Tuter Rukiye, Baccioglu Cem, Ozkan Cansel, Tanacan Leyla   +3 more
doaj   +1 more source