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International Journal of Concrete Structures and Materials

Table 2 RCA material tests (by Kang et al. 2012).

From: Recycled Concrete Aggregates: A Review

Concrete

f′c (MPa)

Reduction in f′c (%)

fct (MPa)

Reduction in fct (%)

fr (MPa)

Reduction in fr (%)

RCA 0 %

38.6

–

3.3

–

10.2

–

RCA 15 %

32.7

15

3

9

9.7

5

RCA 30 %

31.7

18

2.7

18

9.0

12

RCA 50 %

29.0

25

2.7

18

8.9

13

  1. f′ c compressive strength; f ct splitting tensile strength; f r modulus of rupture.
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