Impact Resistance of Sustainable Reactive Powder Concrete and Reinforced Concrete Slabs
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Sakarya University of Applied Sciences, Turkey
These authors had equal contribution to this work
Submission date: 2023-11-07
Final revision date: 2023-12-11
Acceptance date: 2023-12-17
Publication date: 2024-01-30
Corresponding author
Metin İpek   

Sakarya University of Applied Sciences, 54187, sakarya, Turkey
Cement Wapno Beton 28(4) 238-254 (2023)
In this paper, the behavior of sustainable reactive powder concrete after the impact load test was examined. The sustainable reactive powder concrete mixture contains 10% steel slag substituting CEM I 52.5 N cement and 4% waste fibers. Reinforced and unreinforced concrete slabs were produced from sustainable reactive powder concrete [SRPC]. A repeat impact load was applied to the reinforced concrete slabs reinforced with steel reinforcement mesh by dropping a constant weight impact head until the slabs failed. The first crack damage and failure damage on the slabs were determined, and the data obtained in both cases were analyzed. It has been determined which number of falls caused the first crack damage and failure damage to the slabs. The acceleration data of the slabs with respect to time and the deflection values with respect to time were recorded in the experiment. The input energies of the slabs were evaluated according to the first crack damage and failure damage. As a result, as the fiber content in the slabs increases, the energy absorption capacity increases. The input energy of the fiber-doped and reinforced concrete slabs reached 2094 joules in the event of failure damage and absorbed about 2 times more energy than the non-fiber and reinforced concrete slabs.
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