A beam is subjected to equal 19.5 kip-ft bending moments. Assume t1 - t2= tw- 1 in., d = 15 in., b1 - 5 in., and b2 = 7 in. The cross-sectional dimensions of the beam are illustrated. Determine: (a) the distance y to the centroid (measured from the bottom), the moment of inertia l, about the z axis, and the controlling section modulus Sz about the z axis. (b) the bending stress on at point H (positive if tension, negative if compression). (c) the bending stress ok at point K (positive if tension, negative if compression). (d) the maximum bending stress omax produced in the cross section (positive if tension, negative if compression). H M M K b2 Cross scction
A beam is subjected to equal 19.5 kip-ft bending moments. Assume t1 - t2= tw- 1 in., d = 15 in., b1 - 5 in., and b2 = 7 in. The cross-sectional dimensions of the beam are illustrated. Determine: (a) the distance y to the centroid (measured from the bottom), the moment of inertia l, about the z axis, and the controlling section modulus Sz about the z axis. (b) the bending stress on at point H (positive if tension, negative if compression). (c) the bending stress ok at point K (positive if tension, negative if compression). (d) the maximum bending stress omax produced in the cross section (positive if tension, negative if compression). H M M K b2 Cross scction
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A beam is subjected to equal 19.5 kip-ft bending moments. Assume t1 = t2= tw- 1 in., d = 15 in., b1
= 5 in., and b2= 7 in. The cross-sectional dimensions of the beam are illustrated. Determine:
(a) the distance y to the centroid (measured from the bottom), the moment of inertia l, about the z
axis, and the controlling section modulus Sz about the z axis.
(b) the bending stress oH at point H (positive if tension, negative if compression).
(c) the bending stress og at point K (positive if tension, negative if compression).
(d) the maximum bending stress omax produced in the cross section (positive if tension, negative if
compression).
b1
H
M
M
d
tw.
K
t2
b2
Cross scction](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F60d456c5-9fd6-4416-b69f-a33360ffdd38%2F44a696f9-7c39-474b-aa40-27553ae531f6%2Fd9ly9rm_processed.png&w=3840&q=75)
Transcribed Image Text:A beam is subjected to equal 19.5 kip-ft bending moments. Assume t1 = t2= tw- 1 in., d = 15 in., b1
= 5 in., and b2= 7 in. The cross-sectional dimensions of the beam are illustrated. Determine:
(a) the distance y to the centroid (measured from the bottom), the moment of inertia l, about the z
axis, and the controlling section modulus Sz about the z axis.
(b) the bending stress oH at point H (positive if tension, negative if compression).
(c) the bending stress og at point K (positive if tension, negative if compression).
(d) the maximum bending stress omax produced in the cross section (positive if tension, negative if
compression).
b1
H
M
M
d
tw.
K
t2
b2
Cross scction
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