Research Article
Experimental Study on Fatigue Performance of Negative Bending Moment of Steel-Concrete Continuous Composite Box Girder
Table 1
Parameters of composite beam specimens.
| Specimen no. | Section form | Layout of upper flange welding nails | Number of upper flange welding nails | Reinforcement ratio of concrete slab (%) | Measured compressive strength of concrete (MPa) | Loading method |
| PLG-1 | Double-layer concrete | Continuous arrangement | 176 | 1.76 | 59.05 | Repeated loading |
| PLG-2 | Double-layer concrete | Continuous arrangement | 176 | 0.88 | 60.18 | Repeated loading |
|
|