Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Study on the ability of highly-flowable concrete to pass between steel reinforcing bars
Highly flowable concrete has been receiving particular attention in recent years. With highly flowable concrete, the use of a vibrator for consolidating is not necessary because the concrete is self-consolidating within the form. To produce self-consolidating highly flowable concrete, the concrete must have high fluidity, resistance to segregation and the ability to pass between steel reinforcing bars. For this paper, one of these properties, the ability to pass between steel reinforcing bars, was studied. The mechanism of coarse aggregate accumulation between the bars, considered the main factor influencing this ability, was studied and then confirmed through execution of two experiments. Based on the results of these experiments, the conditions related to volume and shape of coarse aggregate contained in the concrete and the clearance between and direction of the steel reinforcing bars which would permit the coarse aggregate to pass between the bars were clarified.
Study on the ability of highly-flowable concrete to pass between steel reinforcing bars
Highly flowable concrete has been receiving particular attention in recent years. With highly flowable concrete, the use of a vibrator for consolidating is not necessary because the concrete is self-consolidating within the form. To produce self-consolidating highly flowable concrete, the concrete must have high fluidity, resistance to segregation and the ability to pass between steel reinforcing bars. For this paper, one of these properties, the ability to pass between steel reinforcing bars, was studied. The mechanism of coarse aggregate accumulation between the bars, considered the main factor influencing this ability, was studied and then confirmed through execution of two experiments. Based on the results of these experiments, the conditions related to volume and shape of coarse aggregate contained in the concrete and the clearance between and direction of the steel reinforcing bars which would permit the coarse aggregate to pass between the bars were clarified.
Study on the ability of highly-flowable concrete to pass between steel reinforcing bars
Fujiwara, H. (Autor:in) / Nagataki, S. (Autor:in) / Dozono, A. (Autor:in) / Obatake, A. (Autor:in)
1997
15 Seiten, 12 Bilder, 2 Tabellen, 2 Quellen
Aufsatz (Konferenz)
Englisch
armierter Beton , Fließverhalten , Rheologie , Beton , Füllstoff , Korngröße , Granulat , Stahl , Stab
Study on the Ability to Pass Between Steel Reinforcing Bars of Highly-Flowable Concrete
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