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International Journal of Concrete Structures and Materials

Table 1 RCA properties.

From: Freeze–Thaw Resistance and Drying Shrinkage of Recycled Aggregate Concrete Proportioned by the Modified Equivalent Mortar Volume Method

Aggregates

RCA source

Specific gravity

Water absorption (%)

RMC

Soundnessa

Abrasion resistanceb (%)

RCA 1

‘C’ (SC air base)

2.42

5.37

n.ac

7.7

22.7

RCA 2

‘D’ (DG plant)

2.37

5.39

n.ac

14.8

30.3

RCA 3

‘A’ (SN air base)

2.35

4.45

35.5

6.1

30.0

  1. aDetermined by KS F 2507 (2007a) equivalent to ASTM C 88.
  2. bDetermined by KS F 2508 (2007b) equivalent to ASTM C 131.
  3. cNot available.
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