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Heng Cheng, Yan Wang, Yi Liu, Qiujing Zhou, Jing Zhang and Bo Yang
Alkali-aggregate reaction can not only cause uneven expansion of concrete but also lead to cracking and even destruction and consequently affect the working behavior and long-term safety of hydraulic concrete structures. Present researches on alkali-aggr...
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Fernando A. N. Silva, João M. P. Q. Delgado, António C. Azevedo, Tahlaiti Mahfoud, Abdelhafid Khelidj, Nicole Nascimento and António G. B. Lima
Early deterioration of reinforced concrete foundations has been often reported in recent years. This process is usually characterized by an extensive mapping cracking process on concrete surfaces that results from several types of Internal Swelling React...
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Esperanza Menéndez, Miguel Ángel Sanjuán, Ricardo García-Roves, Cristina Argiz and Hairon Recino
In this paper, the idea of the sustainability of durable solutions is very much present. The effect of four pozzolanic materials employed in four percentages in mortars made with two different reactive aggregates is assessed regarding alkali-silica react...
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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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Yulia Sorvacheva, Tatiana Petrova
Pág. 635 - 642
Purpose of research under consideration ? development of standardized technique of identification of ?cement alkali-aggregate silica? reaction based on serial experimental analysis of materials provisional compatibility for concrete mix preparation. Resu...
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Jorge Luís Akasaki, Camila Sancowich Zoilo, Cesar Fabiano Fioriti, Adriana María Pereira, Haroldo de Mayo Bernardes, Flavio Moreira Salles
Pág. Page 290 - 299
The concrete structures of Jaguari Hydro Power Plant (HPP) display cracks due to the occurrence of Alkali-Silica Reaction (ASR). The qualitative analysis of the cracks that occurin the slab of the water intake structure was performed through in-loco visu...
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