1) A steel circular bar has three segments as shown in fig below Determine (i) the total elongation of the bar (ii) the length of the middle segment to have zero elongation of the bar (iii) the diameter of the last segment to have zero elongation of the bar Take E = 205 GPa. %3D

1) A steel circular bar has three segments as shown in fig below Determine (i) the total elongation of the bar (ii) the length of the middle segment to have zero elongation of the bar (iii) the diameter of the last segment to have zero elongation of the bar Take E = 205 GPa. %3D

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

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

1) A steel circular bar has three segments as shown in fig below
Determine
(i) the total elongation of the bar
(ii) the length of the middle segment to have zero elongation of the bar
(iii) the diameter of the last segment to have zero elongation of the bar
Take E = 205 GPa.
3D
300 kN 330 kN
30 mm
15 mm
20 mm
-80 kN
E150 mm-
200 mm
250 mm

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