ght is supported as shown. The assembly is initially stress-free. Find the stress in each rod if the temperature rises by 20∘C after a load W = 110 kN is applied. Use the following properties in the table.

ght is supported as shown. The assembly is initially stress-free. Find the stress in each rod if the temperature rises by 20∘C after a load W = 110 kN is applied. Use the following properties in the table.

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

Dependence on mechanical properties

The mechanical properties of materials are those structures that include the reaction to the load used. Metal switching features determine the scope of the usefulness of the content and establish the expected service life. Machine structures are also used to help distinguish and identify material objects. The most common mechanical properties considered are strength, ductility, stiffness, impact resistance, and resilience to fractures.

Question

The rigid bar of negligible weight is supported as shown. The assembly is initially stress-free. Find the stress in each rod if the temperature rises by 20∘C after a load W = 110 kN is applied. Use the following properties in the table.

A (mm²)
a (/°C)
E (GPa)
Steel Rod
300
11.7 x 10-6
200
Bronze Rod
1400
18.9 x 10-6
83

Bronze 3 m
Steel 1.5 m
1.0 m
2.5 m
-1.5 m
W

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