Table 1 Statistical description of the Pu and influential factors.

From: Satin bowerbird optimizer-neural network for approximating the capacity of CFST columns under compression

Factor

Descriptive indicator

Mean

Std. error

Std. deviation

Sample variance

Minimum

Maximum

L [mm]

2475.0

47.4

1313.1

1,724,119.9

900.0

4800.0

D [mm]

450.0

4.0

111.9

12,516.3

300.0

600.0

t [mm]

15.2

0.2

6.1

37.3

6.0

30.0

fy [MPa]

331.3

3.1

86.0

7401.8

235.0

460.0

fu [MPa]

460.0

2.5

70.4

4956.5

360.0

540.0

fc’ [MPa]

150.0

1.2

34.2

1168.2

100.0

200.0

Pu [N]

30,185.3

538.3

14,918.5

222,561,708.9

8016.3

75,051.6

Back to article page