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Chapter 6

Fresh Concrete

Удобоукладываемость бетона
Удобоукладываемость бетона
If the concrete ingredients offer significant resistance against each other, the movement of the concrete is hindered, making the placement and handling ...
Факторы, влияющие на удобоукладываемость
Факторы, влияющие на удобоукладываемость
Workability depends on factors like water content because it boosts lubrication among the concrete ingredients, aiding workability. Finer particles, for ...
Сегрегация в свежем бетоне
Сегрегация в свежем бетоне
Excessive horizontal movement of concrete within forms, or dropping it from a considerable height or through narrow spaces with directional changes, can ...
Кровотечение в свежем бетоне
Кровотечение в свежем бетоне
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 ...
Испытание на усадку
Испытание на усадку
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 ...
Испытание коэффициента уплотнения
Испытание коэффициента уплотнения
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 ...
Тест Vebe
Тест Vebe
The Vebe test is conducted on concrete to identify its workability, preferably for dry mixes. The test apparatus comprises a cylindrical chamber measuring ...
Испытание с помощью таблицы потокового потока
Испытание с помощью таблицы потокового потока
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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