Research Article
Stress Measurement of Steel Strands Based on System Identification Method
Table 1
Geometric and material parameters of steel strands.
| | Geometric parameter | Material parameter |
| | Steel wire diameter, dc (mm) | 5.08 | Young’s modulus, E (GPa) | 196 | | Strand diameter, d (mm) | 15.20 | Poisson’s ratio, | 0.29 | | Peripheral pitch, h (mm) | 260 | Density, (kg/m3) | 7850 | | Peripheral twist angle, | 7.90 | Ultimate tensile strength, (MPa) | 1860 |
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