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Highly-flowable steel fiber-reinforced concrete containing fly ash
This paper presents the development of a new type of high-performance concrete, a highly-flowable steel fiber-reinforced concrete. This concrete has superior characteristics, such as high flowability and adequate segregation resistance, retention of high flowability, and high-strength at an early age. In order to obtain such properties, it is necessary to use high early-strength Portland cement, fly ash, a viscosity agent, an air entraining and a high-range water reducing admixture. Moreover, partially replacing cement with fly ash is found to ha an effective method to improve the retention of slump flow. Pumpability of highly-flowable steel fiber-reinforced concrete containing fly ash has also been evaluated from the results of the experimental pumping tests.
Highly-flowable steel fiber-reinforced concrete containing fly ash
This paper presents the development of a new type of high-performance concrete, a highly-flowable steel fiber-reinforced concrete. This concrete has superior characteristics, such as high flowability and adequate segregation resistance, retention of high flowability, and high-strength at an early age. In order to obtain such properties, it is necessary to use high early-strength Portland cement, fly ash, a viscosity agent, an air entraining and a high-range water reducing admixture. Moreover, partially replacing cement with fly ash is found to ha an effective method to improve the retention of slump flow. Pumpability of highly-flowable steel fiber-reinforced concrete containing fly ash has also been evaluated from the results of the experimental pumping tests.
Highly-flowable steel fiber-reinforced concrete containing fly ash
Kurita, M. (author) / Nomura, T. (author)
1998
17 Seiten, 10 Bilder, 4 Tabellen, 5 Quellen
Conference paper
English
Highly Flowable Steel Fiber-Reinforced Concrete Containing Fly Ash
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