Abstract
This paper discussed the test results of fresh properties of highly-flowable steel fiber-reinforced concrete carried out in the laboratory. The main subjects are the influences of volume fraction of steel fiber, unit volume of coarse aggregate, and dosage of viscosity agent. Flowability and seregation resistance of the concrete, and mortar properties were examined. As the results, it is possible to design mix proportion of highly-flowable steel fiber-reinforced concrete with adequate segregation resistance and adequate combination with volume fraction of steel fiber and unit volume of coarse aggregate.
