Table 2: The quality control limits of fine and coarse aggregate in comparison with KS(Korea) and ASTM(USA).
Country\Test | South Korea (Korea Standard) | USA (ASTM) |
Coarse aggregates | Fine aggregates | Coarse aggregates | Fine aggregates |
Density (g/cm3) | 2.5 | 2.5 | 2.6 | |
Absorption (%) | 3.0 | 5.0 | | |
Bulk density (kg/m3) | 1,250 | - | 1,250 | - |
Clay lumps and friable particles (%) | 5.0 | 3.0 | 2.0 | 1.0 |
Materials finer than 75μm (%) | 1.0 | 3.0 | 1.0 | 3.0 |
Soundness (%) | 12 | 10 | 18 | 15 |
Los Angels abrasion (%) | 40 | - | 50 | - |
Chloride content (%) | 0.3kg/m3 | 0.04-0.1N | | 0.06-0.2N |
Organic impurities (%) | 1.5 | 5.0 | 1.5 | 5.0 |