QUESTION 3) In the figure, a prismatic composite rod made up of steel and aluminum materials which is pulled with a 150 kN+ 150 kN force while the ambient temperature is increased from 20 °C to 90 °C. 150 kN Im a) Calculate the axial forces that will develop in each material. Steel Jem b) Calculate in the length change of the rod. Aluminum dem Note: Steel Aluminum Jem E= 200 GPa E= 80 GPa Sem Jem 3em ar=12x106 1°C ar = 23x106 1/°C %3D Prismatic rod cross section

QUESTION 3) In the figure, a prismatic composite rod made up of steel and aluminum materials which is pulled with a 150 kN+ 150 kN force while the ambient temperature is increased from 20 °C to 90 °C. 150 kN Im a) Calculate the axial forces that will develop in each material. Steel Jem b) Calculate in the length change of the rod. Aluminum dem Note: Steel Aluminum Jem E= 200 GPa E= 80 GPa Sem Jem 3em ar=12x106 1°C ar = 23x106 1/°C %3D Prismatic rod cross section

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.

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