A pair of identical beams with the same length ( l ) and width are provided below
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Question:
A pair of identical beams with the same length l and width are provided below width b is not shown in the figures Two scenarios are given for this beam structure: In Scenario the beam is a single piece with a thickness of h In Scenario the same beam is constructed by stacking two plates with a thickness of h on top of each other. There is no connection between the plates; both are independent.
Question : Evaluate the weight of both constructions, is there any difference between them?
Question : Find mathematically the highest normal stress sigma max values that occur within the material when both constructions are subjected to the same amount of bending moment. Are the results the same for both scenarios? In which one is the highest stress lower?
Question : If the plates in Scenario were very well adhered to each other Scenario how would the results change?
Question : In Scenario if the upper plate and lower plate were not identical eg upper plate is Copper, lower plate is Steel how would the maximum compressive and tensile stresses be
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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