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