Table 5.
Calibrated UHPC plastic-fracture model parameters based on experimental test results in ATENA software. (1 MPa = 145 psi, 1 in. = 25.4 mm).
| Elastic Zone | |||
|---|---|---|---|
| Modulus of elasticity | 52,081 MPa | Poisson’s ratio | 0.2 |
| Compressive strength | −126 MPa | Tensile strength | 5.8 MPa |
| Plastic Zone | |||
| Compression characteristic size | 1.27 mm | Tension characteristic size | 1.27 mm |
| Compression localization onset | −0.001 | Tension localization onset | 0.002 |
| Compressive behavior | Tensile behavior | ||
| Yield strain | Compressive stress | Crack strain | Tensile stress |
| 0 | −126 MPa | 0 | 1.1 MPa |
| −0.001 | −126 MPa | 0.002 | 6 MPa |
| −0.01 | −38 MPa | 0.1 | 1 MPa |