Research Article

Experimental Behavior of the Curved Continuous Twin I-Girder Composite Bridge with a Precast Concrete Slab Subjected to Bending, Shear, and Torsion

Table 2

Material properties of concrete.

MaterialElastic modulus (MPa)Compressive strength (MPa (standard deviation))

C50 fine aggregate (less than 10 mm) concrete3.68 × 10452.2 (0.91)
Expansive concrete3.64 × 10454 (0.75)
Nonshrinkage mortar3.68 × 10458 (0.88)