Prob 1. The rigid bar below is supported by a pin and two rods and must support a load of 100 kN is placed 3 m from A. The brass (Ebrass = 85 GPa) rod has a cross section of 30 x 30 mm and the copper (Ecopper = 120 GPa) rod 20 x 20 mm. Determine the normal stress and deflection of both bars. 777777 wwwB 1.5 m 2 m copper 100 kN brass- 3 m 3 m E

Prob 1. The rigid bar below is supported by a pin and two rods and must support a load of 100 kN is placed 3 m from A. The brass (Ebrass = 85 GPa) rod has a cross section of 30 x 30 mm and the copper (Ecopper = 120 GPa) rod 20 x 20 mm. Determine the normal stress and deflection of both bars. 777777 wwwB 1.5 m 2 m copper 100 kN brass- 3 m 3 m E

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

Prob 1. The rigid bar below is supported by a pin and two
rods and must support a load of 100 kN is placed 3 m from
A. The brass (Ebrass = 85 GPa) rod has a cross section of
30 x 30 mm and the copper (Ecopper = 120 GPa) rod 20 x
20 mm. Determine the normal stress and deflection of both
bars.
1.5 m
2 m
B
-copper
100 kN
brass-
3m
3 m
E

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Step 1: Given:-

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Step 2: Free body diagram:-

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Step 3: Deflection diagram:-

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Step 4: Forces in copper and brass bars:-

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Step 5: Normal Stress calculations:-

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Step 6: Deflection calculations:-

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