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Martina Ba?istová, Jirina Vontorová, Simona Zlá, Monika Kawuloková, Petr Lichý and Tomá? Dvorský
Quality quartz sand is globally utilized in construction due to its availability and economic factors, especially in the production of composite cements. Despite its positive properties, quartz sand also has several disadvantages. The dilation of quartz ...
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Andres Salas Montoya, Loth I. Rodríguez-Barboza, Fabiola Colmenero Fonseca, Javier Cárcel-Carrasco and Lauren Y. Gómez-Zamorano
In recent decades, alkali activated and blended cements have attracted great interest worldwide due to their advantages of low energy cost, high strength, and good durability. This study evaluated the effects of replacing 50% of Portland cement with a mi...
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Grzegorz Ludwik Golewski
This article is devoted to the study of the combined effect of siliceous fly ash (FA), silica fume (SF), and nanosilica (nS) on the cement matrix morphology and size of microcracks occurring in the Interfacial Transition Zone (ITZ) between the coarse agg...
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Pedro Neves, Salomé Pires, Carlos Miguel Marto, Inês Amaro, Ana Coelho, José Sousa, Manuel Marques Ferreira, Maria Filomena Botelho, Eunice Carrilho, Ana Margarida Abrantes and Anabela Baptista Paula
Hybrid bioactive composite resins combine the benefits of glass ionomer cements with composite resins. Its self-adhesiveness is achieved through functional polyacrylic acids and carboxylic groups, hybridizing the smear layer and establishing ionic intera...
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Tiago Trigo, Inês Flores-Colen, Luís Silva, Nuno Vieira, Ana Raimundo and Giovanni Borsoi
The production of Portland cement (OP) is commonly associated to significant level of energy consumption and gas emissions. The use of calcium sulfoaluminate cement (CSA) can be a sustainable alternative binder, since its production releases about half o...
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Arne Peys, Mateja Ko?ir, Ruben Snellings, Ana Mladenovic and Liesbeth Horckmans
New sources of supplementary cementitious materials (SCMs) are needed to meet the future demand. A potential new source of SCM is spent pot lining, a residue from aluminum production. The present work showed that the refined aluminosilicate part of spent...
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Ni Nyoman Kencanawati,Shofia Rawiana,Ni Putu Ria Ria Darmayanti
Pág. 40 - 49
To support sustainable materials, the ordinary Portland cement production has been reduced since it left a high carbon footprint during manufacturing. As an alternative, the use of pozzolan Portland cement and composite Portland cement has been encourage...
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Theofani Tzevelekou, Paraskevi Lampropoulou, Panagiota P. Giannakopoulou, Aikaterini Rogkala, Petros Koutsovitis, Nikolaos Koukouzas and Petros Petrounias
?he smelting process can be applied for the direct recycling of the nickel ferrous dust collected in the gas cleaning systems of the rotary kilns (R/Ks) during the pre-reduction of laterite ore in the course of ferronickel production by the pyrometallurg...
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Tetiana Kropyvnytska,Myroslav Sanytsky,Teresa Rucinska,Oksana Rykhlitska
Pág. 38 - 48
It has been shown that significant reduction of «carbon trace» in construction technology is achieved by production of clinker-effective concretes based on composite Portland cements. Studies have shown that uneven distribution of grain fractions of the ...
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María Consuelo Criado, Carla Vera, Patricio Downey, María Cecilia Soto
Pág. Page 201 - 212
At present time and for several years, some different concretes have been developed for special purpase. The most used procedure is to modify the cementbased matrix, to improve some properties, subtitrating components or using admixtures, additions or bo...
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