If a bar of two sections of different diameters of same length are in a line and P load is acting axially on them then what will be the change in length of the bar P/EL × (1/A1 + 1/A2). Is this statement correct?

If a bar of two sections of different diameters of same length are in a line and P load is acting axially on them then what will be the change in length of the bar P/EL × (1/A1 + 1/A2). Is this statement correct?

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

If a bar of two sections of different
diameters of same length are in a line
and P load is acting axially on them
then what will be the change in
length of the bar P/EL x (1/A1 + 1/
A2). Is this statement correct?
11:02 PM /

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