Experimental and Numerical Investigation on the Bearing Behavior of Curved Continuous Twin I-Girder Composite Bridge with Precast Concrete Slab

Table 4

The main quantitative features of the experiment.

	Pcr/(kN)	Py/(kN)	Pu/(kN)	Pu,cal/(kN)	Δy/(mm)	Δu/(mm)	μ
Outer girder	50	190	407	378	11.14	49.06	4.40
Inner girder		232	407		7.25	29.52	4.06

Note: P_cr and P_y present cracking load and yielding load obtained from test. P_u and P_u,cal present the ultimate load obtained from test and calculated. Δ_y and Δ_u are the deflection corresponding to the yielding load and the ultimate load obtained from test, respectively. Define ductility coefficient μ = Δ_u/Δ_y.