Issue 66

A. J. Abdulridha, Frattura ed Integrità Strutturale, 66 (2023) 273-296; DOI: 10.3221/IGF-ESIS.66.17

X brace section W6x12 W6x15 W6x16 W6x20 W6x25

Web thickness (mm)

Flange width (mm)

Flange thickness (mm)

Ix (mm ⁴ )

Iy (mm ⁴ )

Area (mm2)

Depth (mm)

Sx (mm³)

Sy (mm³)

Zx (mm³)

Zy (mm³) 38×10³

Weight (kg/m)

KL/r

9.2×10 ⁶ 12.1×10 ⁶ 13.4×10 ⁶ 17.2×10 ⁶ 22.2×10 ⁶

1.24×10 ⁶ 3.88×10 ⁶ 1.84×10 ⁶ 5.54×10 ⁶ 7.12×10 ⁶

2290 2860 3060 3790 4740

153 152 160 157 162

5.84 5.84

102 152 102 153 154

7.11

120×10³ 159×10³ 167×10³ 220×10³ 274×10³

24.6×10³ 51×10³ 36.1×10³ 72.3×10³ 91.9×10³

136×10³

18

6.24 3.47 6.59 3.63

6.6

177×10³ 77.8×10³ 192×10³ 55.6×10³

22.5

6.6 6.6

10.3 9.27 11.6

24

246×10³ 310×10³

110×10³ 140×10³

29.8 37.1

8.13 3.97 Table 1: Details of the sections properties of steel X-brace (W-6x12, W-6x15, W-6x16, W-6x20 and W-6x25).

X-brace position (Corner)

X-brace position (Side)

No. of story

Story No.

Eccentricity (mm)

Building code

Beam section W10x30 W10x30 W10x30 W10x26 W10x26 W10x26 W10x33 W10x33 W10x33 W10x30 W10x30 W10x30 W10x26 W10x26 W10x26 W10x39 W10x39 W10x39 W10x33 W10x33 W10x33 W10x30 W10x30 W10x30 W10x26 W10x26 W10x26

Column section W8x24 W8x24 W8x20 W8x20 W6x20 W6x20 W10x39 W10x39 W10x39 W10x31 W10x31 W10x31 W8x31 W8x31 W8x31 W12x45 W12x45 W12x45 W12x45 W10x39 W10x39 W10x39 W10x39 W8x35 W8x35 W8x35 W8x35

Brace section W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16

Building code

Brace section W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 Brace section W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25 W6x25

Beam section

Column section

W10x30 W10x30 W10x30 W10x26 W10x26 W10x26 W10x33 W10x33 W10x33 W10x30 W10x30 W10x30 W10x26 W10x26 W10x26 W10x39 W10x39 W10x39 W10x33 W10x33 W10x33 W10x30 W10x30 W10x30 W10x26 W10x26 W10x26

W8x24 W8x24 W8x20 W8x20 W6x20 W6x20 W10x39 W10x39 W10x39 W10x31 W10x31 W10x31 W8x31 W8x31 W8x31 W12x45 W12x45 W12x45 W12x45 W10x39 W10x39 W10x39 W10x39 W8x35 W8x35 W8x35 W8x35

1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9

SS6-B16-1

6

0

SC6-B16-1

9

0

SC9-B16-1

SS9-B16-1

12

0

SC12-B16-1

SS12-B16-1

10 11 12

Table 2: Details of the members design of steel buildings with 6, 9 and 12-story with concentric X-brace.

No. of story

X-brace position

Eccentricity (mm)

Building code SC6-B12-1 SC6-B12-2 SC6-B12-3 SC6-B12-4 SS6-B12-1 SS6-B12-2 SS6-B12-3 SS6-B12-4 SC9-B12-1 SC9-B12-2 SC9-B12-3 SC9-B12-4 SS9-B12-1 SS9-B12-2 SS9-B12-3 SS9-B12-4 SC12-B12-1 SC12-B12-2 SC12-B12-3 SC12-B12-4 SS12-B12-1 SS12-B12-2 SS12-B12-3 SS12-B12-4

Brace section W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12 W6x12

Building code SC6-B15-1 SC6-B15-2 SC6-B15-3 SC6-B15-4 SS6-B15-1 SS6-B15-2 SS6-B15-3 SS6-B15-4 SC9-B15-1 SC9-B15-2 SC9-B15-3 SC9-B15-4 SS9-B15-1 SS9-B15-2 SS9-B15-3 SS9-B15-4 SC12-B15-1 SC12-B15-2 SC12-B15-3 SC12-B15-4 SS12-B15-1 SS9-B15-2 SS9-B15-3 SS9-B15-4

Brace section W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15 W6x15

Building code SC6-B16-1 SC6-B16-2 SC6-B16-3 SC6-B16-4 SS6-B16-1 SS6-B16-2 SS6-B16-3 SS6-B16-4 SC9-B16-1 SC9-B16-2 SC9-B16-3 SC9-B16-4 SS9-B16-1 SS9-B16-2 SS9-B16-3 SS9-B16-4 SC9-B16-1 SC9-B16-2 SC9-B16-3 SC9-B16-4 SS9-B16-1 SS9-B16-2 SS9-B16-3 SS9-B16-4

Brace section W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16 W6x16

Building code SC6-B20-1 SC6-B20-2 SC6-B20-3 SC6-B20-4 SS6-B20-1 SS6-B20-2 SS6-B20-3 SS6-B20-4 SC9-B20-1 SC9-B20-2 SC9-B20-3 SC9-B20-4 SS9-B20-1 SS9-B20-2 SS9-B20-3 SS9-B20-4 SC9-B20-1 SC9-B20-2 SC9-B20-3 SC9-B20-4 SS9-B20-1 SS9-B20-2 SS9-B20-3 SS9-B20-4

Brace section W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20 W6x20

Building code SC6-B25-1 SC6-B25-2 SC6-B25-3 SC6-B25-4 SS6-B25-1 SS6-B25-2 SS6-B25-3 SS6-B25-4 SC9-B25-1 SC9-B25-2 SC9-B25-3 SC9-B25-4 SS9-B25-1 SS9-B25-2 SS9-B25-3 SS9-B25-4 SC9-B25-1 SC9-B25-2 SC9-B25-3 SC9-B25-4 SS9-B25-1 SS9-B25-2 SS9-B25-3 SS9-B25-4

e/L

0

0

500 1000 1500 500 1000 1500 500 1000 1500 500 1000 1500 500 1000 1500 500 1000 1500 0 0 0 0 0

0.094 0.188 0.282 0.094 0.188 0.282 0.094 0.188 0.282 0.094 0.188 0.282 0.094 0.188 0.282 0.094 0.188 0.282 0 0 0 0 0

Corner

6

Side

Corner

9

Side

Corner

12

Side

Table 3: Details of numerical steel buildings with 6, 9 and 12-story with various X-brace section.

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