Select the lightest weight stell wide-flange beam that will safely support the loading shown. The allowable bending stress is 24ksi and the allowable shear stress is 14ksi
Select the lightest weight stell wide-flange beam that will safely support the loading shown. The allowable bending stress is 24ksi and the allowable shear stress is 14ksi
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Select the lightest weight stell wide-flange beam that will safely support the loading shown. The allowable bending
stress is 24ksi and the allowable shear stress is 14ksi.
Transcribed Image Text:15 kip/ft
10 kip/ft
10 kip/ft
6 ft-
6 ft-
Transcribed Image Text:Wide-Flange Sections or W Shapes FPS Units
Flange
Web
х-х ахis
у-у ахis
Area
Depth
thickness
width
thickness
Designation
A
tw
in. x Ib/ft
in?
in.
in.
in.
in.
in
in
in.
in
in
in.
W24 x 104
W24 x 94
W24 x 84
W24 x 76
W24 x 68
W24 x 62
W24 x 55
30.6
27.7
24.7
22.4
20.1
24.06
24.31
24.10
23.92
23.73
23.74
23.57
0.500
0.515
0.470
0.440
0.415
0.430
0.395
259
109
94.4
82.5
70.4
34.5
29.1
12.750
9.065
9.020
0.750
0.875
0.770
3100
2700
2370
258
222
196
176
154
40.7
24.0
20.9
2.91
1.98
1.95
1.92
1.87
10.1
9.87
9.79
8.990
0.680
2100
1830
1550
1350
9.69
18.4
9.55
15.7
8.965
7.040
7.005
0.585
0.590
18.2
131
9.23
9.80
1.38
16.2
0.505
114
9.11
8.30
1.34
18.35
18.24
W18 x 65
W18 x 60
W18 x 55
W18 x 50
W18 x 46
W18 x 40
W18 x 35
0.450
0.415
0.390
0.355
7.590
7.555
0.750
0.695
0.630
0.570
1070
984
117
108
7.49
7.47
19.1
17.6
16.2
14.7
13.5
11.8
10.3
54.8
50.1
44.9
40.1
14.4
13.3
11.9
10.7
7.43
6.35
5.12
1.69
1.69
1.67
1.65
1.29
1.27
1.22
98.3
88.9
18.11
7.530
890
7.41
17.99
7.495
7.38
7.25
7.21
7.04
800
78.8
712
612
510
22.5
19.1
15.3
18.06
0.360
6.060
0.605
17.90
17.70
0.315
0.300
6.015
6.000
0.525
0.425
68.4
57.6
W16 x 57
W16 x 50
W16 x 45
W16 x 36
W16 x 31
W16 x 26
7.120
7.070
7.035
6.985
5.525
5.500
0.715
0.630
758
659
586
448
92.2
81.0
72.7
56.5
47.2
38.4
12.1
10.5
9.34
7.00
1.60
1.59
1.57
1.52
1.17
1.12
16.8
16.43
16.26
0.430
6.72
6.68
6,65
6.51
6.41
6.26
43.1
14.7
13.3
10.6
9.12
7.68
37.2
32.8
24.5
12.4
9.59
0.380
16.13
0.345
0.565
15.86
15.88
15.69
0.295
0.275
0.250
0.430
0.440
0.345
375
301
4.49
3.49
W14 x 53
W14 x 43
W14 x 38
W14 x 34
W14 x 30
W14 x 26
W14 x 22
15.6
12.6
11.2
10.0
13.92
13.66
14.10
13.98
13.84
13.91
13.74
541
428
385
340
77.8
62.7
54.6
48.6
57.7
45.2
26.7
23.3
0.370
8.060
7.995
6.770
6.745
6.730
5.025
5.000
0.660
0.530
0.515
0.455
0.385
0.420
5.89
5.82
5.87
5.83
5.73
5.65
5.54
14.3
11.3
7.88
1.92
0.305
0.310
0.285
0.270
0.255
0.230
1.89
1.55
1.53
6.91
42.0
35.3
29.0
8.85
291
245
19.6
8.91
7.00
5.82
3.54
2.80
1.49
1.08
7.69
6.49
0.335
199
1.04
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