Table 8 Effect of the axial compression ratio on the deflection.

From: Tests and deflection calculation method for circular concrete-filled steel tubular columns under very low-elevation lateral impact loads

Axial compression ratio

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

Maximum deflection

35.6

33.7

32.6

32.2

32.1

32.5

33.1

34.1

35.8

36.9

Error

0

− 5.3%

− 8.4%

− 9.6%

− 9.8%

− 8.7%

− 7.0%

− 4.2%

0.56%

3.65%