Table 1 list of test specimens.

From: Stability bearing capacity of concrete filled steel tubular columns subjected to long-term load

NO

Specimens

D × ts × L(mm)

λ

m

e/r

NL /kN

Nue /kN

Nuc /kN

Nue/ Nuc

I

CFT-10–0.5–0-CR

140 × 2 × 350

10

0.5

0

500

1165

1179

0.988

CFT-20–0.5–0-CR

140 × 2 × 700

20

0.5

0

500

1129

1145

0.986

CFT-30–0.5–0-CR

140 × 2 × 1050

30

0.5

0

500

1045

1065

0.981

CFT-40–0.5–0-CR

140 × 2 × 1400

40

0.5

0

500

914

927

0.986

CFT-50–0.5–0-CR

140 × 2 × 1750

50

0.5

0

500

798

790

1.010

CFT-60–0.5–0-CR

140 × 2 × 2100

60

0.5

0

500

694

679

1.022

II

CFT-30–0.1–0-CR

140 × 2 × 1050

30

0.1

0

100

1074

1096

0.980

CFT-30–0.2–0-CR

140 × 2 × 1050

30

0.2

0

200

1066

1088

0.980

CFT-30–0.3–0-CR

140 × 2 × 1050

30

0.3

0

300

1067

1075

0.993

CFT-30–0.4–0-CR

140 × 2 × 1050

30

0.4

0

400

1059

1069

0.991

CFT-30–0.6–0-CR

140 × 2 × 1050

30

0.6

0

500

1044

1057

0.988

III

CFT-30–0.3–0.1-CR

140 × 2 × 1050

30

0.3

0.1

300

946

912

1.037

CFT-30–0.3–0.2-CR

140 × 2 × 1050

30

0.3

0.2

300

695

745

0.933

CFT-30–0.3–0.3-CR

140 × 2 × 1050

30

0.3

0.3

300

648

717

0.904

IV

CFT-10–0-0-SH

140 × 2 × 350

10

0

/

/

1162

1176

0.988

CFT-20–0-0-SH

140 × 2 × 700

20

0

/

/

1139

1152

0.989

CFT-30–0-0-SH

140 × 2 × 1050

30

0

/

/

1089

1101

0.989

CFT-30–0-0.1-SH

140 × 2 × 1050

30

0

0.1

/

979

911

1.075

CFT-30–0-0.2-SH

140 × 2 × 1050

30

0

0.2

/

846

892

0.892

CFT-30–0-0.3-SH

140 × 2 × 1050

30

0

0.3

/

778

717

1.085

CFT-40–0-0-SH

140 × 2 × 1400

40

0

/

/

1014

1025

0.989

CFT-50–0-0-SH

140 × 2 × 1750

50

0

/

/

940

948

0.992

 

CFT-60–0-0-SH

140 × 2 × 2100

60

0

/

/

859

864

0.994