Page 48 - ZSi-Foster Channel Loads for Strut
P. 48

W400SL - 16 Gauge Channel
15⁄8" x 13⁄16" (41mm x 21mm) with 13⁄32" x 3" Long Slots on 4" centers.
         3
X
15⁄8" 7⁄8"
Y
10 41mm mm 22mm
⁄8"
              13⁄16"
0.347"
X
21mm
              Y
9mm
W400SL 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)
   0 .83
(1.24)
  0 .244
(1.57)
  0 .023
(0.96)
   0 .05
(0.82)
   0 .31
(0.79)
   0 .092
(3.83)
   0 .113
(1.85)
   0 .614
(1.56)
   W400SL - 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
 756
 0 .03
  756
 756
   756
  1 .00
   18
 504
 0 .06
  504
 504
 405
  1 .00
   24
  378
  0 .11
   378
  342
   234
   1 .00
   30
297
  0 .17
 297
225
  144
 0 .97
   36
 252
 0 .25
  207
 153
 99
  0 .94
   42
 216
 0 .34
  153
 117
 72
  0 .92
   48
  189
  0 .44
   117
  90
   54
   0 .88
   60
153
  0 .69
 72
54
  36
 0 .82
   72
  126
  0 .99
   54
  36
   27
   0 .78
  84
108
   1 .34
  36
 27
   18
  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
  3.4
  0.67
   3.4
   3.4
   3.4
   1.00
   450
2.3
  1.52
 2.3
 2.3
 1.9
 1.00
   600
  1.7
  2.72
   1.7
   1.6
   1.0
   1.00
   750
 1.4
   4.19
  1.4
  1.0
  0.7
  0.97
   900
1.1
  5.97
 0.9
 0.7
 0.5
 0.94
   1050
 1.0
 8.12
  0.7
  0.5
  0.4
  0.91
   1200
 0.8
 10.61
  0.5
  0.4
  0.3
  0.88
   1500
 0.7
 16.77
  0.3
  0.2
  0.2
  0.83
   1800
  0.6
  23.87
   0.2
   0.2
   0.1
   0.78
  2100
0.5
   32.49
  0.2
  0.1
  0.1
  0.74
   W400SL - 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
 1780
  5390
  5250
  5040
  4800
  18
 1720
  5070
  4800
  4420
  4030
  24
  1650
   4680
   4290
   3780
   3310
  30
  1570
 4260
 3780
 3210
 2520
  36
 1470
  3840
  3310
  2520
  1780
  42
 1340
  3460
  2800
  1880
  1310
  48
 1180
  3080
  2250
  1440
  1000
  60
 890
  2180
  1440
  920
  KL/r >200
  72
  690
   1520
   1000
   KL/r >200
   KL/r >200
  84
   KL/r >200
  1110
  KL/r >200
  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
 7.9
 24.0
 23.4
  22.5
  21.4
  450
 7.7
 22.6
 21.4
  19.8
  18.1
  600
  7.4
  20.9
  19.2
   17.0
   14.9
  750
 7.0
 19.1
  17.0
 14.5
 11.5
  900
  6.6
 17.3
 14.9
  11.5
  8.2
  1050
  6.0
 15.6
 12.7
  8.6
  6.0
  1200
  5.3
 14.0
 10.3
  6.6
  4.6
  1500
  4.0
 10.0
 6.6
  4.2
  KL/r >200
  1800
   3.2
  6.9
  4.6
   KL/r >200
   KL/r >200
  2100
 KL/r >200
  5.1
   KL/r >200
  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.
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