The cross-sectional dimensions of a beam are shown. Assume b-1.875 in., t-tw-0.125 in. and d-2.75 in. (a) If the bending stress at point K is 3340 psi (T), determine the internal bending moment M₂ acting about the z centroidal axis of the beam. (b) Determine the bending stress o H K Answers: bf (a) M₂- i (b) o = Tw at point H (positive if tension, negative if compression). lb-ft. psi.

The cross-sectional dimensions of a beam are shown. Assume b-1.875 in., t-tw-0.125 in. and d-2.75 in. (a) If the bending stress at point K is 3340 psi (T), determine the internal bending moment M₂ acting about the z centroidal axis of the beam. (b) Determine the bending stress o H K Answers: bf (a) M₂- i (b) o = Tw at point H (positive if tension, negative if compression). lb-ft. psi.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The cross-sectional dimensions of a beam are shown. Assume b-1.875 in., t-tw-0.125 in. and d=2.75 in.
(a) If the bending stress at point K is 3340 psi (T), determine the internal bending moment M₂ acting about the z centroidal axis of the
beam.
(b) Determine the bending stress o, at point H (positive if tension, negative if compression).
H
K
Answers:
bf
(a) M₂ = i
(b) σH =
tw
lb-ft.
psi.

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