Answered: А Pg = 50 lb L = 20 in. B L2 = 20 in. C…

Engineering

Civil Engineering

А Pg = 50 lb L = 20 in. B L2 = 20 in. C Рс- 100 1b L3 = 40 in. Рр - 200 1b D

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter4: Compression Members

Section: Chapter Questions

Problem 4.9.4P

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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

vertical bar is loaded with axial loads
at points B, C, and D, as shown in the figure. The
bar is made of steel with a modulus of elasticity
E = 29,000 ksi. The bar has a cross-sectional area of
8.24 in². Calculate the displacements at points B, C,
and D. Ignore the weight of the bar.

А
Pg = 50 lb
L = 20 in.
B
L2 = 20 in.
C
Рс- 100 1b
L3 = 40 in.
Рр - 200 1b
D

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