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Svetlana V. Samchenko, Irina V. Kozlova and Andrey V. Korshunov
The reliability of concrete structures is closely related to the durability of the concrete materials stable under external environmental conditions. The present study is aimed at analysing the effect of a prospective hardening additive containing calciu...
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Inna Trofimova,Nikolay Shpyrko
Pág. 32 - 38
We have examined the influence of the most widely used silicon-organic surface water repellent GKZH-11K on the physical-mechanical properties and the phase structure formation of cement is the fact that the introduction of the surface water repellent GKZ...
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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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José Aparecido Canova, Generoso De Angelis Neto, Rosângela Bergamasco
Pág. 25 - 31
Stone-quarry fines have been evaluated in mortar and concrete, but have presented drying shrinkage and consequently higher incidence of cracks than those with natural sand. This study compared the dry ripened mortar in two types of aggregates added of 8%...
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