Physical / mechanical property | Class 1 |
Volumetric weight, in kg/m3 | Higher to 2,2002 |
Compressive strength, in kg/cm2 | Equal to or higher than 250 |
Specific gravity of the aggregate thickness used, in g/cm3 | Higher to 2.6 |
Drying contraction, in millionths | Less or equal to 1,000 |
Elastic Modulus at 28 days, in kg/cm2, minimum | Limestone1 Basalt1 |
Any sample | 12,700 √ f’ c 9,700 √ f’ c |
Average of all consecutive sets of samples | 13,500 √ f’ c 10,500 √ f’ c |
1. Coarse Aggregate