Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Properties of the fresh concrete with magnetite and serpentine aggregates (dry or soaked).
| Property | Concrete Mix | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| V1B0 | V3B0 | V1B1 | V3B1 | V1B3d | V1B3m | V1B4d | V1B4m | V3B3d | V3B4d | ||
| Slump (cm) | 5 min | 20 | 20 | 22.0 | 20 | 21.0 | 21.0 | 19.5 | 26 | 19 | 21 |
| 60 min | 19 | 9 | 19 | 4 | 16 | 17.5 | 19.5 | 21 | 5 | 18 | |
| Air content (%) | 1.9 | 2.2 | 2.2 | 1.8 | 1.9 | 2.1 | 2.4 | 2.5 | 2.0 | 2.8 | |
| Density of fresh concrete (kg/m3) | 2421 | 2452 | 3587 | 3598 | 3191 | 3208 | 2783 | 2728 | 3195 | 2750 | |
| Compressive strength of concrete (MPa) | 48.0 | 46.2 | 54.0 | 55.3 | 53.7 | 48.1 | 52.6 | 37.5 | - | - | |
