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Table 2 Details of specimens.

From: Experimental and Numerical Researches on the Seismic Behavior of Tubular Reinforced Concrete Columns of Air-Cooling Structures

Specimen

Diameter (mm)

Thickness (mm)

Axial Force (kN)

Axial compression ratio

\( f_{\text{c}}^{\text{s}} \) (MPa)

f cuk (MPa)

f ck (MPa)

Reinforcement(mm2)

Tube1

500

50

180

0.09

28.88

38.1

25.5

1178 (15C10)

Tube2

500

100

360

0.09

31.92

42.0

28.1

1257 (16C10)

Tube3

500

50

434

0.20

27.36

36.0

24.1

1728 (22C10)

Tube4

500

70

422

0.15

34.96

46.4

31.0

1571 (20C10)