Materials For Civil And Construction Engineers In Si Units
4th Edition
ISBN: 9781292154404
Author: Michael S Mamlouk
Publisher: PEARSON
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Chapter 3, Problem 3.22QP
Getting measurements from Figure 3.18, determine approximate values of the following items for steel with different carbon contents. Use one system of units only as specified by the instructor.
- a. a Yield stress
- b. Ultimate strength
- c. Strain at failure
- d. Effect on modulus of elasticity
- e. Approximate toughness. Curves may be approximated with a series of straight lines.
- f. Comment on the effect of increasing carbon content on items a through e above.
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Getting measurements from Figure , determine approximate values of the following items for steel with different carbon contents. Use one system of units only as specified by the instructor.a. Yield stressb. Ultimate strengthc. Strain at failured. Effect on modulus of elasticitye. Approximate toughness. Curves may be approximated with a series of straight lines.f. Comment on the effect of increasing carbon content on items a through e above.
A rectangular steel section with a base of 200 mm and a depth of 400 mm is used as a beam. 51.
Determine the elastic section modulus of the beam (x10^6 mm^3).
Determine the plastic section modulus of the beam (x10^6 mm^3).
What is the shape factor of the beam?
Calculate the plane stresses involved where two pieces of steel are welded together. Our sign convention defines forces causing the object to be in tension positive and forces causing the object to be in compression negative. As we can see from the picture our
σx = −4.5MPa and σy = 10MPa. Steel has an average Young’s modulus of elasticity of E = 200 GPa and an average Poisson’s ratio of ν = .285 Because it is not defined we will assume that initially there is no shear stress, τxy = 0.
Solve only for: Compression in the x-direction(deformation along the weld)=(-Blank 4)? x 10^-5
Chapter 3 Solutions
Materials For Civil And Construction Engineers In Si Units
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