Page 34 - Channel Loads

3⁄8"
X
15⁄8" 7⁄8"
Y
10 41mm mm 22mm
7⁄8" X 0.364"
22mm Y 9mm
W900 Section Properties
W900 - 12 Gauge Channel 15⁄8" x 7⁄8" (41mm x 23mm)
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)
1 .37 0 .403 0 .038 0 .074
(2.04) (2.60) (1.58) (1.21)
0 .307
(0.78)
5.6
3.7
2.8
1.8
1.3
0.9
0.7
0.4
0.3
0.2
0 .147
(6.12)
5.6
3.4
1.9
1.2
0.8
0.6
0.5
0.3
0.2
0.1
37.3
33.9
29.3
23.9
18.7
14.0
10.7
6.9
0 .181 0 .604
(2.97) (1.53)
1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.98 0.97 0.95
35.9
31.3
25.0
18.7
13.3
9.7
7.5
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
12 1,250 0 .03
W900 - Allowable Beam Loads
1,250 1,250 1,250 1 .00 300 5.6 0.62 5.6
830 830 740 1 .00 450 3.7 1.38 3.7
620 620 420 1 .00 600 2.8 2.45 2.8
500 400 270 1 .00 750 2.3 3.87 2.3
370 280 180 1 .00 900 1.9 5.51 1.7
270 200 140 1 .00 1050 1.6 7.50 1.2
210 160 100 1 .00 1200 1.4 9.96 0.9
130 100 70 0 .98 1500 1.1 15.19 0.6
90 70 50 0 .97 1800 0.9 22.05 0.4
70 50 30 0 .95 2100 0.8 30.01 0.3
W900 - Allowable Column Loads
18 830
24 620
30 500
36 420
42 360
48 310
60 250
72 210
84 180
12 2560
18 2500
24 2440
30 2330
36 2190
42 2020
48 1820
60 1420
72 1110
0 .06
0 .10
0 .16
0 .23
0 .31
0 .40
0 .63
0 .91
1 .24
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
84 KL/r >200
8900 8670
8400 8040
7880 7430
7380 6510
6620 5530
5840 4560
5040 3650
3540 2340
2460 1620
1810 KL/r >200
8360
7580
6510
5280
4100
3050
2340
1500
KL/r >200
KL/r >200
8040
6980
5530
4100
2890
2120
1620
KL/r >200
KL/r >200
KL/r >200
300 11.4
450 11.1
600 10.9
750 10.4
900 9.8
1050 9.1
1200 8.2
1500 6.4
1800 5.1
2100 KL/r >200
39.6 38.7
37.5 35.9
35.2 33.2
33.1 29.3
29.8 25.0
26.3 20.8
22.9 16.8
16.3 10.7
11.3 7.5
8.3 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.
– 34 –
zsi-foster.com ZSi-Foster Channel Load Data