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Chapter 6

Fresh Concrete

Maniabilité du béton
Maniabilité du béton
If the concrete ingredients offer significant resistance against each other, the movement of the concrete is hindered, making the placement and handling ...
Facteurs affectant la maniabilité
Facteurs affectant la maniabilité
Workability depends on factors like water content because it boosts lubrication among the concrete ingredients, aiding workability. Finer particles, for ...
Ségrégation dans le béton frais
Ségrégation dans le béton frais
Excessive horizontal movement of concrete within forms, or dropping it from a considerable height or through narrow spaces with directional changes, can ...
Saignement dans le béton frais
Saignement dans le béton frais
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 ...
Test d’affaissement
Test d’affaissement
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 ...
Test du facteur de compactage
Test du facteur de compactage
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 ...
Vebe Test
Vebe Test
The Vebe test is conducted on concrete to identify its workability, preferably for dry mixes. The test apparatus comprises a cylindrical chamber measuring ...
Test de table d’écoulement
Test de table d’écoulement
The flow table test, used to find the workability of concrete and evaluate highly flowable concrete, involves an apparatus consisting of a wooden board ...
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