3. The rigid bar ABC is pinned at B and attached to the two vertical rods.Initially, the bar is horizontal and the vertical rods are stress-free.Determine the stress in the steel rod if the temperature of the bothrods is decreased by 30°C. Neglect the weight of bar ABC.SteelL=0.9 mA 300 mmE= 200 x 10 N/m'a= 11.7 um/(m C)AluminumL=1.2 mA = 1200 mmE = 70 x 10 N/ma= 23 pum/(m "C)Answer:OstB0.6 m1.2 m

Contraction of steel , assuming complete freedom δTst=αL∆TδTst=11.7×10-690030δTst=0.3159mm The steel…

Answered: d at B and attached to the two vertical…

d at B and attached to the two vertical rods. tal and the vertical rods are stress-free. e steel rod if the temperature of the both Neglect the weight of bar ABC.

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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Statically Indeterminate Problems
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