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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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Question

A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; α = 2.9 × 10^-6/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; α = 12.5 × 10^-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.². The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 56 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1).

(2)
|(1)
8 ft
6 ft
A
B
В
C
D
2.5 ft
3 ft
1.5 ft
VP
O 5.58 kips
O 7.62 kips
O 4.03 kips
5.05 kips
O 4.60 kips

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