Research Article
Experimental Study on Fatigue Performance of Negative Bending Moment of Steel-Concrete Continuous Composite Box Girder
Table 5
Cracks of concrete slab of PLG-2 (unit: mm).
| PLG-2 | Before the dynamic load | After 200,000 cycles | After 400,000 cycles | After 600,000 cycles | After 800,000 cycles | After 1 million cycles | After 1.25 million cycles | After 1.5 million cycles |
| Static load (kN) | 190 | 190 | 190 | 190 | 190 | 190 | 300 | 380 | Crack width | 0.21 | 0.23 | 0.25 | 0.26 | 0.27 | 0.27 | 0.29 | 0.32 |
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