Table 1 Geometric parameters of specimens.

From: Experimental and numerical investigations on stress concentration factors of concrete filled steel tube X-joints

Specimens

Chord (mm)

Brace (mm)

Non-dimensional parameters

\(b_{0}\)

\(t_{0}\)

\(L_{0}\)

\(R_{0}\)

\(b_{1}\)

\(t_{1}\)

\(L_{1}\)

\(R_{1}\)

β = \(b_{1} /b_{0}\)

2γ = \(b_{0} /t_{0}\)

τ = \(t_{1} /t_{0}\)

S1

110

6

700

12

50

6

170

12

0.455

18.33

1

CS1

110

6

700

12

50

4

170

8

0.455

18.33

0.67

CS2

110

6

700

12

50

5

170

10

0.455

18.33

0.83

CS3

110

6

700

12

50

6

170

12

0.455

18.33

1

CS4

110

5

700

10

50

5

170

10

0.455

22

1

CS5

110

7

700

14

50

7

170

14

0.455

15.71

1

CS6

110

6

700

12

40

6

170

12

0.363

18.33

1

CS7

110

6

700

12

60

6

170

12

0.545

18.33

1