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

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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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
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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