Research Article
A Stress Measurement Method for Steel Strands Based on LC Oscillation
Table 1
Parameters of the steel strand.
| | Structure of steel strand | Nominal diameter ofsteel strand, D (mm) | Nominal area of steel strand, S (mm2) | Ultimate tensile strength, Rm (MPa) | Maximum tension, Fm (kN) | Nonproportional extension force, FP0.2 (kN) | Maximum elongation, AGT (%) | Stress relaxation rate after 1000 h, r (%) | | No less than | No less than | No less than | No less than | No more than |
| | 1 × 7 | 15.2 | 139 | 1720 | 241 | 217 | 3.5 | 4.5 |
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