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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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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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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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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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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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Leonardo Behak, Marcos Musso
Pág. 93 - 99
Rice husk ash (RHA) is a by-product of rice milling. Its use as soil stabilizer is a way to replace the final disposal with environmental benefit. However, RHA is not cementitious itself but when mixed with lime forms cements which improve the soil prope...
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Ana María Fernández-Jiménez, Angel Palomo, Cecilio López
Pág. Page 123 - 131
Nowadays Portland cement concrete is the most widely used building material. Its mechanical properties, the quality/price ratio, performance in general, have contributed to the success ofthis material along 20th century. However the process of fabricatio...
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