Bar B Of The Pin-connected System Of Fig. P5-66 Is Made Of An Aluminum Alloy [E = 70 GPa, A = 300 Mm^2, And Alpha = 22.5 (10^-6)/degree C]. And Bar A Is Made Of A Hardened Carbon Steel[E = 210 GPa, A = 1200 mm^2, And Alpha = 11.9 (10^-6/degree C]. Bar CDE Is To Be Considered Rigid. When The System Is Unloaded At 40 Degree C, Bars A And B Are Unstressed. 5-66 Bar B of the pin-connected system of Fig. P5-66 is madeof an aluminum alloy [E = 70 GPa, A = 300 mm², and a =22.5 (10 y C), and bar 4 is made of a hardened carbon steel[E =210 GPa, A = 1200 mm², and a = 11.9 (10-°)/"C). BarCDE is to be considered rigid. When the system is unloaded at40°C, bars A and B are unstressed. After the load P is applied,the temperature of both bars decreases to 15°C. Determinea. The normal stresses in bars A and B.b. The maximum shearing stresses in bars A and B.c. The shearing stress in the 20-mm-diameter pin at C, whichis in double shear.d. The vertical component of the displacement of pin E.500 mm250 mm300 mm150 mmP 100 kNFigure P5-66

(a) Consider the moment equilibrium about point C. The change in temperature is, The relation…

Answered: -66 Bar B of the pin-connected system…

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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Bar B Of The Pin-connected System Of Fig. P5-66 Is Made Of An Aluminum Alloy [E = 70 GPa, A = 300 Mm^2, And Alpha = 22.5 (10^-6)/degree C]. And Bar A Is Made Of A Hardened Carbon Steel[E = 210 GPa, A = 1200 mm^2, And Alpha = 11.9 (10^-6/degree C]. Bar CDE Is To Be Considered Rigid. When The System Is Unloaded At 40 Degree C, Bars A And B Are Unstressed.

5-66 Bar B of the pin-connected system of Fig. P5-66 is made
of an aluminum alloy [E = 70 GPa, A = 300 mm², and a =
22.5 (10 y C), and bar 4 is made of a hardened carbon steel
[E =210 GPa, A = 1200 mm², and a = 11.9 (10-°)/"C). Bar
CDE is to be considered rigid. When the system is unloaded at
40°C, bars A and B are unstressed. After the load P is applied,
the temperature of both bars decreases to 15°C. Determine
a. The normal stresses in bars A and B.
b. The maximum shearing stresses in bars A and B.
c. The shearing stress in the 20-mm-diameter pin at C, which
is in double shear.
d. The vertical component of the displacement of pin E.
500 mm
250 mm
300 mm
150 mm
P 100 kN
Figure P5-66

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