C213 フレッシュコンクリートの流動性評価に関する可視化

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タイトル別名
  • Visualization of Fresh Concrete Flowing in Consistency Test
  • フレッシュ コンクリート ノ リュウドウセイ ヒョウカ ニ カンスル カシカ

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The highly flowable concrete, is one of the high performance concrete, is able to place into the form without vibration. We investigated experimentally vertical flow behavior of the concrete in both the V funnel test apparatus and U-filling ability test apparatus by visualization technique. We also investigated horizontal flow behavior of highly flowable concrete in two types of slab forms, setting lattice steel bars and vertical steel bars. Based on the results, the average maximum shear strain rates of concrete in the consistensy test apparatuses were under 10.0/s, and the average maximum shear strain rates of concrete in slabs were under 1.0/s.

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