STUDY ON EVALUATION METHOD OF PASSABILITY OF HIGH-FLUIDITY CONCRETE

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  • 高流動コンクリートの間隙通過性の評価方法に関する研究
  • コウ リュウドウ コンクリート ノ カンゲキ ツウカセイ ノ ヒョウカ ホウホ

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Abstract

The passability is an important index for high-fluidity concrete to evaluate the characteristic of fresh concrete passing through a narrow space such as between steel bars with keeping aggregate. In this study, the ring penetration test was developed, in order to evaluate quantitatively the passability of high-fluidity concrete and to propose an easy testing method applicable to quality control of fresh concrete in construction site. To examine the applicability of this test method, the effects of various parameters such as material properties, width of passing section and pressure on the passabitity of high-fluidity concrete are investigated experimentally, and the Theological consideration is carried out based on theoretical and analytical approaches in this paper.

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