Page 23 - Channel Loads
P. 23

 3⁄8"
15⁄8" 7⁄8"
41mm 22mm
10
mm 35mm
W300H - 12 Gauge Channel
15⁄8" x 13⁄8" (41mm x 35mm) with 9⁄16" holes on 17⁄8" centers.
    3
X 1⁄8" X
0.58" 15mm YY
W300H Section Properties
1 .73 0 .508 0 .123 0 .158 0 .491 0 .208 0 .256 0 .64
(2.57) (3.28) (5.12) (2.59) (1.25) (8.66) (4.20) (1.63)
  Wt.. Lbs./Ft. (Kg/M)
  Area of Section
2
(cm2)
in.
 X-X Axis
 Y-Y Axis
 4
(cm4)
lx in.
3
(cm3)
Sx in.
rx. in.
(cm)
4
(m4)
ly in.
3
(cm3)
Sy in.
ry in.
(cm)
    W300H - Allowable Beam Loads
12 2,518 0 .02 2,518 2,518 2,518 1 .00 300 11.4 0.40 11.4 11.4
11.4
5.7
2.6
1.5
0.9
0.6
0.5
0.4
0.3
0.3
47.1
36.6
27.8
21.5
16.8
13.7
11.3
8.7
KL/r >200
KL/r >200
1.00 1.00 0.96 0.91 0.87 0.84 0.81 0.79 0.76 0.74
45.0
32.7
23.8
17.6
13.7
10.7
KL/r >200
KL/r >200
KL/r >200
KL/r >200
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
 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
       24 1,254 0 .07 1,254 1,254 1,254 1 .00 600 5.7 1.63 5.7
5.7
3.8
2.2
1.4
1.0
0.7
0.5
0.4
0.3
48.9
40.7
32.7
26.4
21.5
17.6
14.8
12.6
10.7
8.7
    36 836
48 627
60 504
72 418
84 361
96 314
108 276
120 247
12
24
36
48
60
72
84
96
108
120
0 .15 836 836 570 0 .96 900 3.8 3.66 3.8
0 .26 627 475 323 0 .91 1,200 2.8 6.46 2.8
        0 .41 409 304 200 0 .87 1,500 2.3 10.16
0 .59 285 209 143 0 .84 1,800 1.9 14.63
0 .81 209 152 105 0 .81 2,100 1.6 19.62
1 .05 162 124 76 0 .78 2,400 1.4 26.21
1 .31 124 95 67 0 .76 2,700 1.3 32.92
1 .62 105 76 48 0 .74 3,000 1.1 40.65
1.9
1.3
1.0
0.7
0.6
0.5
50.1
43.9
37.1
31.0
26.1
22.1
18.7
16.1
14.1
12.4
                         W300H - 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
  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
   3480 11260
3260 9830
2980 8260
2640 6890
2340 5780
2080 4880
1860 4130
1680 3550
1480 3110
1280 2740
10980 10550
9100 8150
7280 6180
5860 4760
4760 3720
3890 3010
3270 2470
2790 1890
2330 KL/r >200
1890 KL/r >200
10080
7280
5280
3890
3010
2330
KL/r >200
KL/r >200
KL/r >200
KL/r >200
300 15.5
600 14.5
900 13.3
1,200 11.8
1,500 10.5
1,800 9.3
2,100 8.4
2,400 7.6
2,700 6.8
3,000 5.8
                            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 – 23 –
  
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