Answered: Bronze Aluminum ЗР Steel 2P P 4P - 0.6…

Bronze Aluminum ЗР Steel 2P P 4P - 0.6 m →- 1.0 m - e 0.8 m A (mm²) E (GPa) a, (MPa) Bronze 450 83 120 Aluminum 600 70 80 Steel 300 200 140

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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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

Given the compound bar below, determine the maximum allowable value of P if the change in length of the bar is limited to 5.67mm. The bar properties and allowable stresses are given in the table below. (answer in N)

Bronze
Aluminum
ЗР
Steel
2P
P 4P-
- 0.6 m →-
1.0 m
0.8 m
A (mm²)
E (GPa)
в, (МPа)
Bronze
450
83
120
Aluminum
600
70
80
Steel
300
200
140

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