Table 2 Summary results from low cycle fatigue tests on Grade 80 bars.
From: High-Strength Reinforcing Steel Bars: Low Cycle Fatigue Behavior Using RGB Methodology
Slenderness ratio L/d | Young’s modulus \(E_{s}\) (MPa) | Nominal strain amplitude \(\epsilon _{nom}\) | Total strain amplitude \(\epsilon _{a}\) | Max. transverse displ. \(w_{max}\) (mm) | Half-cycles to failure \(2N_{f}\) | Total dissipated energy \(W_{fT}\) (MPa) |
|---|---|---|---|---|---|---|
5 | 200013 | 0.020 | 0.011 | 4.2 | 246 | 1571 |
206458 | 0.035 | 0.031 | 7.1 | 34 | 826 | |
201422 | 0.050 | 0.045 | 8.3 | 14 | 490 | |
10 | 200579 | 0.021 | 0.020 | 11.8 | 42 | 292 |
208617 | 0.031 | 0.031 | 15.1 | 18 | 258 | |
194772 | 0.051 | 0.045 | 15.9 | 8 | 140 | |
15 | 206421 | 0.011 | 0.009 | 12.3 | 120 | 265 |
208828 | 0.031 | 0.031 | 21.3 | 18 | 158 | |
207797 | 0.051 | 0.037 | 24.0 | 10 | 97 |