A wood beam is reinforced with steel straps at its top and bottom as shown. Determine the maximum bending stress developed in the wood and steel if the beam is subjected to a moment of M = 165 kN m. Sketch the stress distribution acting over the cross section. Take Ew=15 GPa, Est=210 GPa. %3D

A wood beam is reinforced with steel straps at its top and bottom as shown. Determine the maximum bending stress developed in the wood and steel if the beam is subjected to a moment of M = 165 kN m. Sketch the stress distribution acting over the cross section. Take Ew=15 GPa, Est=210 GPa. %3D

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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Pressure and Stress

Question

A wood beam is reinforced with steel straps at its top and
bottom as shown. Determine the maximum bending stress
developed in the wood and steel if the beam is subjected to a
moment of M = 165 kN m. Sketch the stress distribution
acting over the cross section. Take Ew=15 GPa, Est=210 GPa.
40 mm
400 mm
M
40 mm
200 mm

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Shown is a composite plate joined together by rivets. The components consist of two tension bar plates that is ¾ X 4 inch and riveted together by two splice plates which is 0.8 X 6 inch. Each rivet has a diameter of 25.4 mm. Considering that the allowable stress for the tension bar plates and splice plates is σ=20.0 ksi, the allowable shear stress for the rivets is σ=25.0 ksi and the allowable bearing stress on the rivets and splice plates is σ=25.0 ksi. What will be the maximum permissible load P such that none of the allowable stresses will be exceeded?
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#2 will upvote anyone who will answer correctly. Correct decimal places please. Thanks
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