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Engineering

Civil Engineering

steel

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.2P

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Concept explainers

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

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A steel rod of 20mm is enclosed centrally in a hollow copper tube of external diameter 40mm and internal diameter of 35mm the composite bar is then subjected to an axial pull of 50KN.If the length of each bar is equal to 200mm,determine

1.The stress in the rod and the tube

2.Load carried by each bar

Take E for steel=200KN/mm2 and copper =100KN/mm2

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