Table 1 Acceptance criteria regarding RA
From: Evaluation on the Surface Modification of Recycled Fine Aggregates in Aqueous H2SiF6 Solution
Country or standard | RA type | Oven-dry density (kg/m3) | Absorption rate |
|---|---|---|---|
Australia (AS1141.6.2) | Class 1A | ≥ 2100 | ≤ 6% |
Class 1B | ≥ 1800 | ≤ 8% | |
Germany (DIN 4226-100) | Type 1 | ≥ 2000 | ≤ 10% |
Type 2 | ≥ 2000 | ≤ 15% | |
Type 3 | ≥ 1800 | ≤ 20% | |
Type 4 | ≥ 1500 | No limit | |
Hong kong | – | ≥ 2000 | ≤ 10% |
Japan (JIS A 5021, 5022 and 5023) | Coarse—class H | ≥ 2500 | ≤ 3% |
Fine—class H | ≥ 2500 | ≤ 3.5% | |
Coarse—class M | ≥ 2300 | ≤ 5% | |
Fine—class M | ≥ 2200 | ≤ 7% | |
Coarse—class L | No limit | ≤ 7% | |
Fine—class L | No limit | ≤ 13% | |
Korea (KS F 2573) | Coarse | ≥ 2500 | ≤ 3% |
Fine | ≥ 2500 | ≤ 3% | |
RILEM | Type 1 | ≥ 1500 | ≤ 20% |
Type 2 | ≥ 2000 | ≤ 10% | |
Type 3 | ≥ 2500 | ≤ 3% | |
Spain (EHE) | – | ≥ 2000 | ≤ 5% |