For added strength, many highways and buildings are constructed with reinforced concrete (concrete that is reinforced with embedded steel rods). The coefficient of linear expansion of concrete is the same as that for steel. Why is it important that these two coefficients be the same?

For added strength, many highways and buildings are constructed with reinforced concrete (concrete that is reinforced with embedded steel rods). The coefficient of linear expansion of concrete is the same as that for steel. Why is it important that these two coefficients be the same?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 12.58AP: (a) Estimate the force with which a karate master strikes a board, assuming the hands speed at the...

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

+ For added strength, many
highways and buildings are
constructed with reinforced
concrete (concrete that is
reinforced with embedded steel
rods). The coefficient of linear
expansion of concrete is the same
as that for steel. Why is it
important that these two
coefficients be the same?

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