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Chapter 6

Fresh Concrete

Lavorabilità del calcestruzzo
Lavorabilità del calcestruzzo
If the concrete ingredients offer significant resistance against each other, the movement of the concrete is hindered, making the placement and handling ...
Fattori che influenzano la lavorabilità
Fattori che influenzano la lavorabilità
Workability depends on factors like water content because it boosts lubrication among the concrete ingredients, aiding workability. Finer particles, for ...
Segregazione nel calcestruzzo fresco
Segregazione nel calcestruzzo fresco
Excessive horizontal movement of concrete within forms, or dropping it from a considerable height or through narrow spaces with directional changes, can ...
Sanguinamento nel calcestruzzo fresco
Sanguinamento nel calcestruzzo 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 ...
Test di crollo
Test di crollo
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 del fattore di compattazione
Test del fattore di compattazione
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 della tabella di flusso
Test della tabella di flusso
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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