Answered: Elastic modulus, E Diameter, d Length…

Elastic modulus, E Diameter, d Length of each bar, L Aluminum Steel 200 GPa = 20 mm 200 mm Brass 83 GPa dp = 25 mm 70 GPa dc = 25 mm dB A -2b- B dD dB dc- C D -2b- -b- 2P

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

The following beam is supported by an aluminum bar at C, a steel bar at B, and a brass bar at D. The distance b is equal to 50 mm. The data is shown in the table:
If the maximum rotation that can occur at point A is 0.25 radians clockwise, determine:
a. The maximum force P that can be applied. Answ: 28347.97 kN
b. The normal stress in the aluminum, steel, and brass bars. Answ: 25 000 MPa, 17500 MPa, 25937.5 MPa

Elastic modulus, E
Diameter, d
Length of each bar, L
Aluminum
Steel
200 GPa
=
20 mm
200 mm
Brass
83 GPa
dp
=
25 mm
70 GPa
dc
= 25 mm
dB

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