| Mix | Relationship between E* & Fcu** |
| Mix-00-00 | E = 4120√Fcu MPa |
| Mix-05-15 | E = 5448√Fcu MPa |
| Mix-10-15 | E = 5005√Fcu MPa |
| Mix-15-15 | E = 4690√Fcu MPa |
| Mix-20-15 | E = 4508√Fcu MPa |
| Mix-25-15 | E = 4067√Fcu MPa |