Problem- A round bar made of same material consists of 3 parts each of 100 mm length having diameters of 40 mm, 50 mm and 60 mm, respectively. If the bar is subjected to an axial load of 10 kN, find the total elongation of the bar in mm. Given that young modulus of elasticity is E kN/mm².

Problem- A round bar made of same material consists of 3 parts each of 100 mm length having diameters of 40 mm, 50 mm and 60 mm, respectively. If the bar is subjected to an axial load of 10 kN, find the total elongation of the bar in mm. Given that young modulus of elasticity is E kN/mm².

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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Material Properties

Construction in civil engineering demands high strength, durability, and longevity. These targets can be achieved by better design and analysis, along with the correct choice of materials. Different materials have different properties and hence, they respond and performs differently under the various condition of external loadings. It is therefore a critical task of an engineer to select the right material based on the property that the material is supposed to function in real-time. When speaking about the property, there are different categories of material properties like chemical property, physical property, mechanical property, electrical property, magnetic property, thermal property, etc. These material properties form the basis of material selection in various applications.

Question

Problem- A round bar made of same material consists of 3 parts each of 100 mm length
having diameters of 40 mm, 50 mm and 60 mm, respectively. If the bar is subjected to an
axial load of 10 kN, find the total elongation of the bar in mm. Given that young modulus of
elasticity is E kN/mm².

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