Entrar

Chapter 6

Fresh Concrete

Trabalhabilidade do concreto
Trabalhabilidade do concreto
If the concrete ingredients offer significant resistance against each other, the movement of the concrete is hindered, making the placement and handling ...
Fatores que afetam a trabalhabilidade
Fatores que afetam a trabalhabilidade
Workability depends on factors like water content because it boosts lubrication among the concrete ingredients, aiding workability. Finer particles, for ...
Segregação em concreto fresco
Segregação em concreto fresco
Excessive horizontal movement of concrete within forms, or dropping it from a considerable height or through narrow spaces with directional changes, can ...
Sangramento em concreto fresco
Sangramento em concreto fresco
If water from the concrete mix rises to the top of the newly laid concrete, it is bleeding. The cause is the mix's solids failing to retain all water ...
Teste de queda
Teste de queda
The slump test measures concrete workability and uses a 12-inch high truncated cone mold, narrowing from eight inches at the base to four inches at the ...
Teste de fator de compactação
Teste de fator de compactação
The compacting factor test determines the workability of concrete with aggregate sizes up to a maximum of one and a half inches. The test equipment ...
Teste de Vebe
Teste de Vebe
The Vebe test is conducted on concrete to identify its workability, preferably for dry mixes. The test apparatus comprises a cylindrical chamber measuring ...
Teste de tabela de fluxo
Teste de tabela de fluxo
The flow table test, used to find the workability of concrete and evaluate highly flowable concrete, involves an apparatus consisting of a wooden board ...
JoVE Logo

Privacidade

Termos de uso

Políticas

Pesquisa

Educação

SOBRE A JoVE

Copyright © 2025 MyJoVE Corporation. Todos os direitos reservados