Problem 3. A rigid bar ABC is pinned at A and attached to brass bar Bar BE CD BE and the steel bar CD as shown in the figure. The rigid bar is initially horizontal and bars BE and CD are unstressed. A 120 kN/m uniformly distributed gravity load is imposed over the entire span of bar ABC at the same time the temperature of bar BE is decreased by 25°C and that of the bar CD is increased by 25°C. 11. Determine the deflection of point B. Material Brass Steel Area 500 mm? 20.9 × 10°C 250 mm? 11.7 x 10 y°C 200 GPa a E 105 GPa c. 2.120 mm d. 2.433 mm a. 1.265 mm > b. 1.582 mm 12. Determine stress in CD. 0.30 m 0.25 m a. 159.347 MPa C. – 62.524 MPa b. 77.606 MPa d. – 132.611 MPa A 13. Determine the angle by which the rigid bar ABC. a. 0.363° c. 0.558°

Problem 3. A rigid bar ABC is pinned at A and attached to brass bar Bar BE CD BE and the steel bar CD as shown in the figure. The rigid bar is initially horizontal and bars BE and CD are unstressed. A 120 kN/m uniformly distributed gravity load is imposed over the entire span of bar ABC at the same time the temperature of bar BE is decreased by 25°C and that of the bar CD is increased by 25°C. 11. Determine the deflection of point B. Material Brass Steel Area 500 mm? 20.9 × 10°C 250 mm? 11.7 x 10 y°C 200 GPa a E 105 GPa c. 2.120 mm d. 2.433 mm a. 1.265 mm > b. 1.582 mm 12. Determine stress in CD. 0.30 m 0.25 m a. 159.347 MPa C. – 62.524 MPa b. 77.606 MPa d. – 132.611 MPa A 13. Determine the angle by which the rigid bar ABC. a. 0.363° c. 0.558°

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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Concept explainers

Pressure and Stress

Question

Problem 3. A rigid bar ABC is pinned at A and attached to brass bar
BE and the steel bar CD as shown in the figure. The rigid
bar is initially horizontal and bars BE and CD are
Bar
BE
CD
Material
Brass
Steel
500 mm2
20.9 x 10/°C
105 GPa
Area
250 mm?
11.7 x 10 y°C
unstressed. A 120 kN/m uniformly distributed gravity load
is imposed over the entire span of bar ABC at the same
time the temperature of bar BE is decreased by 25°C and
that of the bar CD is increased by 25°C.
11. Determine the deflection of point B.
a
E
200 GPa
a. 1.265 mm
c. 2.120 mm
>
b. 1.582 mm
d. 2.433 mm
12. Determine stress in CD.
0.30 m
a. 159.347 MPa
C. – 62.524 MPa
0.25 m
b. 77.606 MPa
d. – 132.611 MPa
A
13. Determine the angle by which the rigid bar ABC.
c. 0.558°
a. 0.363°
b. 0.486°
d. 0.290°
0.25 m-
0.35 m.

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