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Secondary framing – Metal Sales Secondary Framing User Manual

Page 38

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PSF-38

Secondary Framing

© Metal Sales Manufacturing Corporation/ Subject to change without notice/ Effective Date 9/11

800.406.7387 (Corporate Office) • www.metalsales.us.com

a

lloWable

u

niform

l

oads

in

P

ounds

Per

l

inear

f

ooT

2'-4" Lap

Flange

Web

Flange

Long Lap

Load TaBLeS For STandard ZeeS

(Symmetrical Flanges Only)

Notes:

1. Tabulated values are allowable superimposed loads. Purlin and all other load weights have not been subtracted from them.

2. Allowable loads have been calculated in accordance with 1996 AISI Specifications.

3. Bearing must be checked using actual bearing length and loads.

4. Wind loads can be obtained by multiplying tabulated values by 1.33.

5. Tabulated values are valid only if the compression flange of the section is adequately supported laterally.

Span in

Feet

Section

Long Lap - 2 Spans

Z-

9" x 3

1

/

2

"

Stress

Controlling, plf

12 Ga

14 Ga

12 Ga

14 Ga

Defl. (L/180)

Controlling, plf

18 179

335 226

425

Long Lap - 3 Spans

Stress

Controlling, plf

Defl. (L/180)

Controlling, plf

12 Ga

14 Ga

12 Ga

14 Ga

20 146

266 185

337

22 120

216 153

274

24 101

179 128

227

25 93

164

118

208

26 86 151 109

191

28 74

129

94

163

30 64

111

81

140

Span in

Feet

Section

Long Lap - 2 Spans

Z-

9" x 3"

Stress

Controlling, plf

12 Ga

14 Ga

12 Ga

14 Ga

Defl. (L/180)

Controlling, plf

18 179

338 226

429

Long Lap - 3 Spans

Stress

Controlling, plf

Defl. (L/180)

Controlling, plf

12 Ga

14 Ga

12 Ga

14 Ga

20 146

268 185

341

22 120

218 153

277

24 101

181 128

229

25 93

166

118

210

26 86 152 109

193

28 74 130 94 164 159
30 64 112

81 142 129