Two L6 x 6 x 1 equal leg angles (see Table A-7) are attached back-to-back to form a T-section, as shown below. Determine the maximum bending moment that can be supported by the beam if the maximum allowable flexural stress is 20 ksi.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Two L6 x 6 x 1 equal leg angles (see Table A-7) are attached back-to-back to form
a T-section, as shown below. Determine the maximum bending moment that can be
supported by the beam if the maximum allowable flexural stress is 20 ksi.
C
co
Transcribed Image Text:Two L6 x 6 x 1 equal leg angles (see Table A-7) are attached back-to-back to form a T-section, as shown below. Determine the maximum bending moment that can be supported by the beam if the maximum allowable flexural stress is 20 ksi. C co
L8 X 8 X 1
X 7/8
X 3/4
X 5/8
X 1/2
L6×6×1
L
x 7/8
X 3/4
X 5/8
X 1/2
X 3/8
TABLE A-7 Equal Leg Angles (U.S. Customary Units)
Size and
Thickness
(in.)
Weight Area
(lb/ft)
(in²)
$1.0
45.0
38.9
32.7
26.4
37.4
33.1
28.7
24.2
19.6
14.9
15.0
13.2
11.4
9.61
7.75
11.0
9.73
8.44
7.11
5.75
4.36
I
(in¹)
89.0
79.6
69.7
59.4
48.6
Z
35.5
31.9
28.2
24.2
19.9
15.4
Y
-1*ck
X
Z'
A
15.8
14.0
12.2
10.3
8.36
8.57
7.63
6.66
5.66
4.61
3.53
Z'
LK
Y
AXIS X-X OR Y-Y
S
(in³)
2
r
(in.)
2.44
2.45
2.47
2.49
2.50
ус
T
1.80
1.81
1.83
1.84
1.86
1.88
X
xc or yc
(in.)
2.37
2.32
2.28
2.23
2.19
1.86
1.82
1.78
1.73
1.68
1,64
*AXIS Z-Z
(in.)
1.56
1.57
1.58
1.58
1.59
1.17
1.17
1.17
1.18
1.18
1.19
Transcribed Image Text:L8 X 8 X 1 X 7/8 X 3/4 X 5/8 X 1/2 L6×6×1 L x 7/8 X 3/4 X 5/8 X 1/2 X 3/8 TABLE A-7 Equal Leg Angles (U.S. Customary Units) Size and Thickness (in.) Weight Area (lb/ft) (in²) $1.0 45.0 38.9 32.7 26.4 37.4 33.1 28.7 24.2 19.6 14.9 15.0 13.2 11.4 9.61 7.75 11.0 9.73 8.44 7.11 5.75 4.36 I (in¹) 89.0 79.6 69.7 59.4 48.6 Z 35.5 31.9 28.2 24.2 19.9 15.4 Y -1*ck X Z' A 15.8 14.0 12.2 10.3 8.36 8.57 7.63 6.66 5.66 4.61 3.53 Z' LK Y AXIS X-X OR Y-Y S (in³) 2 r (in.) 2.44 2.45 2.47 2.49 2.50 ус T 1.80 1.81 1.83 1.84 1.86 1.88 X xc or yc (in.) 2.37 2.32 2.28 2.23 2.19 1.86 1.82 1.78 1.73 1.68 1,64 *AXIS Z-Z (in.) 1.56 1.57 1.58 1.58 1.59 1.17 1.17 1.17 1.18 1.18 1.19
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