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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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Nuno Cristelo, João Coelho, Mafalda Oliveira, Nilo Cesar Consoli, Ángel Palomo and Ana Fernández-Jiménez
Mine tailings (MT) could represent a step forward in terms of the quality of the aggregates usually used in civil engineering applications, mostly due to its high density. The Portuguese Neves Corvo copper mine, owned by the Lundin Mining Corporation, pr...
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Gennadii Kochetov,Oleksandr Kovalchuk,Dmitry Samchenko
Pág. 6 - 13
A study of the products of ferritization processing of galvanic waste: sludge and spent process solutions is carried out. As a result of experiments on dynamic leaching of heavy metal ions, the immobilization properties of the sludge, obtained at differe...
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Pavlo Krivenko,Volodymyr Gots,Oleh Petropavlovskyi,Igor Rudenko,Oleksandr Konstantynovskyi,Artem Kovalchuk
Pág. 24 - 32
The essence of the problem related to proper deformations in alkali-activated cements (AAC) complicated with high content of gel-like hydrate formations was analyzed. Cement types diametrically opposite in their compositions and, accordingly, in the cont...
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Oleksandr Kovalchuk,Oleksandr Gelevera,Vasyl Ivanychko
Pág. 33 - 40
This paper reports results from comparative testing the reaction "alkali ? active silica" in traditional Portland cement and alkaline Portland cement with the addition of metakaolin. The research is based on studying the process of structure formation in...
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M. Torres-Carrasco, F. Puertas
Pág. Page 05 - 12
Portland cement is considered an excellence building material. This is due mainly to its high performance, its good quality/price ratio and the raw materials from which it is made can be found almost everywhere in the world. However, the development of a...
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Jhonathan Fernando Rivera, Ruby Mejia de Gutierrez, Jhoanna Mercedes Mejía, Marisol Gordillo
Pág. 31 - 39
This study focuses on the production of an alternative cementitious material with low environmental impact through the valorization of two-coal combustion by-products. Hybrid cements based on the alkali activation of fly ash, (FA) and boiler slag (BS) bl...
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Ana Fernández-Jiménez, Angel Palomo
Pág. Page 213 - 232
In this paper are presented some of the technologic properties of cementitious material elaborated by alkali activation of aluminosilicates are presented. More specifically it is about the properties of alkali activated fly ash concrete and mortar (witho...
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