Abstract
The purpose of this study was to promote the use of recycled aggregates by using recycled aggregates as aggregates for high flowing concrete. The recycled aggregate used in this study was made by curing concrete with a Fck 40 MPa for 6 months and then crushing it using a Jaw crusher. To evaluate the properties of high flowing concrete using recycled aggregates, various concrete mixture conditions such as replacement rate of the recycled aggregates, W/B and Volume ratio of fine aggregate(Sr) were reviewed. Slump flow test, L-funnel flow test and funneling test were conducted to estimate flowability, resistance to segregation and fillingability. As a result, the mixture conditions of high flowing concrete using recycled aggregate to satisfy the required performance could be found; the replacement rate of the recycled aggregate of below 50%, W/B of below 37% and Sr of below 47%.
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