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Table 1 Acceptance criteria regarding recycled concrete aggregates.

From: Recycled Concrete Aggregates: A Review

Country or standard Recycled aggregate type Oven-dry density criterion (kg/m3) Absorption ratio of aggregate criterion (%)
Australia (AS1141.6.2) (AS 1996) Class 1A ≥2,100 ≤6
Class 1B ≥1,800 ≤8
Germany (DIN 4226-100) (DIN 2002) Type 1 ≥2,000 ≤10
Type 2 ≥2,000 ≤15
Type 3 ≥1,800 ≤20
Type 4 ≥1,500 No limit
Hong Kong (Works Bureau of Hong Kong 2002) ≥2,000 ≤10
Japan (JIS A 5021, 5022 and 5023) (JIS 2011, 2012a, b) Coarse—Class H ≥2,500 ≤3
Fine—Class H ≥2,500 ≤3.5
Coarse—Class M ≥2,300 ≤5
Fine—Class M ≥2,200 ≤7
Coarse—Class L No limit ≤7
Fine—Class L No limit ≤13
Korea (KS F 2573) (KS 2002) Coarse ≥2,500 ≤3
Fine ≥2,200 ≤5
RILEM (1994) Type 1 ≥1,500 ≤20
Type 2 ≥2,000 ≤10
Type 3 ≥2,500 ≤3
Spain (EHE 2000) ≥2,000 ≤5
  1. Australia (AS 1996): Class 1A well graded RCA with no more than 0.5 % brick content; Class 1B Class 1A RCA blended with no more than 30 % crushed brick.
  2. Germany (DIN 2002): Type 1 concrete chippings + crusher sand; Type 2 construction chippings + crusher sand; Type 3 masonry chippings + crusher sand; Type 4 mixed chippings + crusher sand.
  3. Japan (JIS 2011): Class H no limitations are put on the type and segment for concrete and structures with a nominal strength of 45 MPa or less; Class M members not subjected to drying or freezing-and-thawing action, such as piles, underground beam, and concrete filled steel tubes; Class L backfill concrete, blinding concrete, and concrete filled in steel tubes.
  4. RILEM (1994): Type 1 aggregates from masonry rubble, Type 2 aggregates from concrete rubble; Type 3 mixture of natural (min 80 %) and recycled (max 20 %) aggregate.