Research on Fatigue Performance of the Rib Beam Bridge Carriageway Slab Based on Cumulative Damage Theory

Table 2

Plastic constitutive model of concrete under tensile damage under 500,000 cycles of fatigue load.

Measured stress (MPa)	Inelastic strain	Damage factor	Inelastic strain
2.2020	0.000000	0.000000	0.000000
1.2521	0.000140	0.000461	0.000140
0.8368	0.000259	0.000640	0.000259
0.6415	0.000367	0.000727	0.000367
0.5281	0.000471	0.000779	0.000471
0.4533	0.000573	0.000813	0.000573
0.3597	0.000775	0.000856	0.000775
0.2635	0.001175	0.000899	0.001175