Abstract:This study deals with the effect of fly ash and recycled sand on the flexural behavior of SFRCCs (steel fiber-reinforced cementitious composites)-filled steel tubes. As a result of the compressive test, the elastic modulus was reduced by the addition of micro steel fiber, and the fly ash and recycled sand replacement decreased the elastic modulus and increased the Poisson’s ratio. As a result of the bending and direct tensile tests, strength enhancement by the incorporation of micro steel fibers was observed, … Show more
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