Page 25 - ZSi-Foster Channel Loads for Strut
P. 25

W300SS - 12 Gauge Channel
15⁄8" x 13⁄8" (41mm x 35mm) with 9⁄16" x 11⁄8" Short Slots on 2" centers
   15⁄8" 7⁄8"
3⁄8" 10
13⁄8"
41mm 22mm
                   mm 35mm
  XX Y 0.58"
Y 15mm
W300SS Section Properties
                    Wt.. Lbs./Ft. (Kg/M)
    Area of Section
in.2
(cm2)
   X-X Axis
 Y-Y Axis
 lx in.4
(cm4)
  Sx in.3
(cm3)
 rx. in.
(cm)
 ly in.4
(m4)
  Sy in.3
(cm3)
  ry in.
(cm)
  1 .73
(2.57)
  0 .508
(3.28)
  0 .123
(5.12)
   0 .158
(2.59)
  0 .491
(1.25)
  0 .208
(8.66)
   0 .256
(4.20)
   0 .64
(1.63)
   W300SS - Allowable Beam Loads
    Span
 Max. Uniform Load
   Defl. at Load
   Uniform Load at Deflection
 Lateral Bracing Reduction
 Span /180
  Span /240
  Span /360
   In
 Lbs
 In
  Lbs
  Lbs
  Lbs
   12
  2,385
  0 .02
   2,385
   2,385
   2,385
   1 .00
   24
1,188
  0 .07
 1,188
 1,188
 1,188
 1 .00
   36
  792
  0 .15
   792
   792
   540
   0 .96
   48
 594
   0 .26
  594
  450
  306
  0 .91
   60
477
  0 .41
 387
 288
 189
 0 .87
   72
 396
 0 .59
  270
  198
  135
  0 .84
   84
 342
 0 .81
  198
  144
  99
  0 .81
   96
 297
 1 .05
  153
  117
  72
  0 .78
   108
  261
  1 .31
   117
   90
   63
   0 .76
  120
234
   1 .62
  99
  72
  45
  0 .74
    Span
 Max. Uniform Load
   Defl. at Load
   Uniform Load at Deflection
 Lateral Bracing Reduction
 Span /180
  Span /240
  Span /360
   mm
 kN
 mm
  kN
  kN
  kN
   300
  10.8
  0.40
   10.8
   10.8
   10.8
   1.00
   600
5.4
  1.63
 5.4
 5.4
 5.4
 1.00
   900
  3.6
  3.66
   3.6
   3.6
   2.5
   0.96
   1,200
 2.7
   6.46
  2.7
  2.1
  1.4
  0.91
   1,500
2.2
  10.16
 1.8
 1.3
 0.9
 0.87
   1,800
 1.8
 14.63
  1.2
  0.9
  0.6
  0.84
   2,100
 1.5
 19.62
  0.9
  0.7
  0.4
  0.81
   2,400
 1.4
 26.21
  0.7
  0.5
  0.4
  0.79
   2,700
  1.2
  32.92
   0.6
   0.4
   0.3
   0.76
  3,000
1.1
   40.65
  0.4
  0.3
  0.2
  0.74
   W300SS - Allowable Column Loads
 Unbraced Height
    Max. Slot Face Load
  Max. Column Load Applied at C.G.
 K = 0.65
 K = 0.80
  K = 1.0
  K = 1.2
  In
 Lbs
 Lbs
 Lbs
  Lbs
  Lbs
  12
 3480
 11260
 10980
  10550
  10080
  24
 3260
 9830
 9100
  8150
  7280
  36
  2980
  8260
  7280
   6180
   5280
  48
  2640
6890
  5860
 4760
 3890
  60
 2340
 5780
 4760
  3720
  3010
  72
 2080
 4880
 3890
  3010
  2330
  84
 1860
 4130
 3270
  2470
  KL/r >200
  96
 1680
 3550
 2790
  1890
  KL/r >200
  108
  1480
  3110
  2330
   KL/r >200
   KL/r >200
  120
   1280
 2740
   1890
  KL/r >200
  KL/r >200
  Unbraced Height
    Max. Slot Face Load
  Max. Column Load Applied at C.G.
 K = 0.65
 K = 0.80
 K = 1.0
  K = 1.2
  mm
 kN
 kN
 kN
 kN
  kN
  300
 15.5
 50.1
 48.9
 47.1
  45.0
  600
 14.5
 43.9
 40.7
 36.6
  32.7
  900
  13.3
  37.1
  32.7
  27.8
   23.8
  1,200
 11.8
  31.0
26.4
  21.5
 17.6
  1,500
  10.5
 26.1
 21.5
 16.8
  13.7
  1,800
  9.3
 22.1
 17.6
 13.7
  10.7
  2,100
  8.4
 18.7
 14.8
 11.3
  KL/r >200
  2,400
  7.6
 16.1
 12.6
 8.7
  KL/r >200
  2,700
   6.8
  14.1
  10.7
  KL/r >200
   KL/r >200
  3,000
 5.8
   12.4
 8.7
   KL/r >200
  KL/r >200
   Beam loads shown are total uniform load, including the channel weight, for a simple span supported at each end that is adequately laterally braced. Refer to pages 3 - 6 for other beam support conditions.
ZSi-Foster Channel Load Data zsi-foster.com – 25 –
  
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