Volume fraction of steel fiber | Compressive strength (MPa) | Elastic modulus (MPa) | ||
1% | Mean | 183 | Mean | 46,583 |
Std. deviation | 7.2 | Std. deviation | 1190 | |
COV (%) | 3.7 | COV (%) | 2.5 | |
2% | Mean | 177 | Mean | 45,939 |
Std. deviation | 5.3 | Std. deviation | 2940 | |
COV (%) | 3.0 | COV (%) | 5.7 |