Research Article

Evaluation Effects of the Short- and Long-Term Freeze-Thaw Exposure on the Axial Behavior of Concrete-Filled Glass Fiber-Reinforced-Polymer Tubes

Table 1

Dimension and mechanical properties of fiber reinforced polymer tubes.

Tube type (mm) (mm)No. of layersStacking sequence (MPa) (MPa) (MPa) (MPa)

1522.656 8785*57.90*

and are, respectively, the Young moduli in the longitudinal and hoop directions; and are, respectively, the ultimate tensile strengths in the longitudinal and hoop directions; based on coupon test; based on split-disk test.