High performance concrete applied to storage system buildings at low temperatures
AUTOR(ES)
Lima, Sandra Maria de, Vareda, Luiz Vicente, Liborio, Jefferson Benedicto Libardi
FONTE
Materials Research
DATA DE PUBLICAÇÃO
2008-06
RESUMO
According to some estimates, world's population growth is expected about 50% over the next 50 years. Thus, one of the greatest challenges faced by Engineering is to find effective options to food storage and conservation. Some researchers have investigated how to design durable buildings for storing and conserving food. Nowadays, developing concrete with mechanical resistance for room temperatures is a parameter that can be achieved easily. On the other hand, associating it to low temperature of approximately 35 °C negative requires less empiricism, being necessary a suitable dosage method and a careful selection of the material constituents. This ongoing study involves these parameters. The presented concrete was analyzed through non-destructive tests that examines the material properties periodically and verifies its physical integrity. Concrete with and without incorporated air were studied. The results demonstrated that both are resistant to freezing.
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