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Structural performance of recycled aggregates concrete sourced from low strength concrete
Caglar Goksu,Ilyas Saribas,Ergun Binbir,Yılmaz Akkaya,Alper Ilki 국제구조공학회 2019 Structural Engineering and Mechanics, An Int'l Jou Vol.69 No.1
Although much research has been carried out using recycled aggregates sourced from normal strength concrete, most of the buildings to be demolished are constructed with low strength concrete. Therefore, the properties of the concrete incorporating recycled aggregates, sourced from the waste of structural elements cast with low strength concrete, were investigated in this study. Four different concrete mixtures were designed incorporating natural and recycled aggregates with and without fly ash. The results of the mechanical and durability tests of the concrete mixtures are presented. Additionally, full-scale one-way reinforced concrete slabs were cast, using these concrete mixtures, and subjected to bending test. The feasibility of using conventional reinforced concrete theory for the slabs made with structural concrete incorporating recycled aggregates was investigated.