Page 21 - Channel Loads
P. 21

W211SS - 14 Gauge Channel
15⁄8" x 31⁄4" (41mm x 83mm) with 9⁄16" x 11⁄8" Short Slots on 2" centers
   41mm 22mm
10 mm
X
15⁄8" 7⁄8"
3⁄8"
83mm X
31⁄4"
    W211SS Section Properties
 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)
 YY
 W211SS - Allowable Beam Loads
0 .662
(1.68)
1.00 1.00 1.00 0.98 0.93 0.88 0.82 0.76 0.71 0.65
82.0
71.6
61.0
52.7
42.2
30.7
22.6
17.3
13.7
KL/r >200
2 .84 0 .834
(4.23) (5.38)
0 .739
(30.76)
0 .455
(7.46)
0 .942 0 .365
(2.39) (15.19)
0 .450
(7.37)
 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
  12
24
36
48
60
72
84
96
1,440 * 1,440 * 1,440 * 1,440 * 1,377 1,143
981
0 .00 0 .01 0 .04 0 .11 0 .20 0 .28 0 .39 0 .50 0 .64 0 .78
1,440 * 1 .00 1,440 * 1 .00 1,440 * 1 .00 1,440 * 0 .98 1,161 0 .93
810 0 .87 981 891 594 0 .81 855 684 450 0 .76 720 540 360 0 .70 585 432 288 0 .64
300 6.4 600 6.4 900 6.4
1,200 6.4 1,500 6.2 1,800 5.2 2,100 4.4 2,400 3.9 2,700 3.4 3,000 3.1
0.04 6.4 0.32 6.4 1.08 6.4 2.56 6.4 4.84 6.2 6.96 5.2 9.51 4.4 12.41 3.9 15.66 3.3 19.49 2.7
6.4 * 6.4 * 6.4 * 6.4 * 6.2
5.2 4.1 3.1 2.5 2.0
84.4
78.8
71.6
64.3
57.9
52.7
46.3
38.3
30.7
24.9
6.4 * 6.4 * 6.4 * 6.4 * 5.3
3.7 2.7 2.1 1.6 1.3
83.3
75.3
66.1
57.9
51.5
42.2
32.5
24.9
19.7
15.9
1,440 * 1,440 * 1,440 * 1,440 * 1,377 1,143
1,440 * 1,440 * 1,440 * 1,440 * 1,377 1,143
* * * *
* * * *
                            855 108 765 120 684
             W211SS - 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
   12
24
36
48
60
72
84
96
108
120
5140
5040
4890
4720
4500
4230
3890
19130
18230
16970
15590
14260
13080
12080
11150
9620
8160
18970
17670
16010
14360
12920
11740
10210
8380
6690
5420
18700 18390
16860 16010
14760 13610
12920 11740
11480 9280
9280 6690
7080 4920
5420 3770
4280 2980
3470 KL/r >200
300 22.9 85.1
600 22.4 81.2
900 21.8 75.8
1,200 21.1 69.7
1,500 20.1 63.9
1,800 18.9 58.7
2,100 17.5 54.2
2,400 15.7 50.4
2,700 13.9 43.8
3,000 12.2 37.3
                   3490
3060
2690
         * Load limited by spot weld shear
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 – 21 –
  
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