Research Article

Rebound Hammer Test: An Investigation into Its Reliability in Applications on Concrete Structures

Table 1

Concrete mix characteristics. See equation (1) for the meaning of the symbols.

Mix typeAggregates (% in weight)Pl. (l)Water (l)Cem. content (kN)Cem. type (R)fc,28Rc,28(f/R)28Pl. (l)Rc,testingDens (kN/m3)s-best fittings-EC2
C 0/4C 3/6Nat. 6/12

C1040.226.932.91.92551.9332.57.78.30.93C1017.722.00.800.35
C2543.221.934.93.62043.0632.523.026.00.88C2516.522.90.450.35
C3041.523.034.24.01673.7232.513.315.10.88C3041.122.40.480.35
C4040.224.934.94.51933.7332.528.732.20.89C4048.122.80.400.35
C5538.236.924.95.31784.4142.547.551.20.93C557324.60.300.35

C: crushed aggregate; Nat.: natural aggregate; Pl: plasticizer/superplasticizer.