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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