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Chapter 6

Fresh Concrete

コンクリートの施工性
コンクリートの施工性
If the concrete ingredients offer significant resistance against each other, the movement of the concrete is hindered, making the placement and handling ...
作業性に影響を与える要因
作業性に影響を与える要因
Workability depends on factors like water content because it boosts lubrication among the concrete ingredients, aiding workability. Finer particles, for ...
フレッシュコンクリートでの分離
フレッシュコンクリートでの分離
Excessive horizontal movement of concrete within forms, or dropping it from a considerable height or through narrow spaces with directional changes, can ...
フレッシュコンクリートのブリーディング
フレッシュコンクリートのブリーディング
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 ...
スランプテスト
スランプテスト
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 ...
締固め係数試験
締固め係数試験
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 ...
ベベテスト
ベベテスト
The Vebe test is conducted on concrete to identify its workability, preferably for dry mixes. The test apparatus comprises a cylindrical chamber measuring ...
フローテーブルテスト
フローテーブルテスト
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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