초록

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Abstract ▼ AI-Helper

The purpose of this study is to investigate anti analyze the effect of iength of steel fiber and concrete admixt.ure such as iilica fume and fly ash on the workability arid engineering properties cbf steel fiber reinforced concxte (SFRC). As the results the follows art: found. First, it is poss ible...

The purpose of this study is to investigate anti analyze the effect of iength of steel fiber and concrete admixt.ure such as iilica fume and fly ash on the workability arid engineering properties cbf steel fiber reinforced concxte (SFRC). As the results the follows art: found. First, it is poss ible to make steel fiber reinforced concrete having the consistency of IOcm slump and 28 days compressive strength of $600{\;}kgf/\textrm{m}^2$ by adopting low water binder ratios arid using :uperplasticizer. Second, the conipresslve and tensile strength of SWKC containing silica fume and fly ash is lower than those of plain concrete in the age after 28 days, but higher in the age after 28 days. Finally, tensde strength of SFHC is higher than that of plain concrete, and so adding the steel fibers in concrete increases the toughness.

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