Question • The steel beam shown in the figure below has the following: o E 29,000 ksi о med Emoitu has a cross-section (shown in section a-a) with the centroid that is 4.425 inches from the top surface, o Iz 57.05 in o RAY = 2250 lbs (up) RAx=0 lbs Roy 4000 lbs (up) A. X 5500lb 125 lb/ft B a 2" C 300 odi alaus sdt ni awod d to 4.425" 6 D Neutral Axis -0.5" 6 ft 4 ft 1.5 ft 1.5 ft 0.75" 190 0.75" avode ni wod, a mead aounimo A Section a-a Determine: (qu) enoitoon lesifov T • Draw the Free Body Diagram for the beam with a cut at section a-a • The bending stress in the beam at point C - be sure to indicate T or C 190 • The bending stress in the beam at point B - be sure to indicate T or C leid. The bending stress in the beam at neutral axis - be sure to indicate T or Cm T Answers: σx bending stress at Point C = ox bending stress at Point B = ox bending stress at the neutral axis =
Question • The steel beam shown in the figure below has the following: o E 29,000 ksi о med Emoitu has a cross-section (shown in section a-a) with the centroid that is 4.425 inches from the top surface, o Iz 57.05 in o RAY = 2250 lbs (up) RAx=0 lbs Roy 4000 lbs (up) A. X 5500lb 125 lb/ft B a 2" C 300 odi alaus sdt ni awod d to 4.425" 6 D Neutral Axis -0.5" 6 ft 4 ft 1.5 ft 1.5 ft 0.75" 190 0.75" avode ni wod, a mead aounimo A Section a-a Determine: (qu) enoitoon lesifov T • Draw the Free Body Diagram for the beam with a cut at section a-a • The bending stress in the beam at point C - be sure to indicate T or C 190 • The bending stress in the beam at point B - be sure to indicate T or C leid. The bending stress in the beam at neutral axis - be sure to indicate T or Cm T Answers: σx bending stress at Point C = ox bending stress at Point B = ox bending stress at the neutral axis =
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Question
•
The steel beam shown in the figure below has the following:
o E 29,000 ksi
о
med
Emoitu
has a cross-section (shown in section a-a) with the centroid that is 4.425 inches
from the top surface,
o Iz 57.05 in
o RAY = 2250 lbs (up) RAx=0 lbs Roy 4000 lbs (up)
A.
X
5500lb
125 lb/ft
B
a
2"
C
300 odi alaus sdt ni awod
d to
4.425"
6
D Neutral Axis
-0.5"
6 ft
4 ft
1.5 ft 1.5 ft
0.75"
190
0.75"
avode
ni wod, a mead aounimo A
Section a-a
Determine:
(qu)
enoitoon lesifov T
•
Draw the Free Body Diagram for the beam with a cut at section a-a
•
The bending stress in the beam at point C - be sure to indicate T or C
190
•
The bending stress in the beam at point B - be sure to indicate T or C leid.
The bending stress in the beam at neutral axis - be sure to indicate T or Cm T
Answers: σx bending stress at Point C =
ox bending stress at Point B =
ox bending stress at the neutral axis =
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