The rods of different materials are connected and placed between rigid supports at A and D, as shown in the figure. Properties for each of the three rods are given below. The bars are initially unstressed when the structure is assembled at 25°C. After the temperature has been increased to 90°C, determine:
The rods of different materials are connected and placed between rigid supports at A and D, as shown in the figure. Properties for each of the three rods are given below. The bars are initially unstressed when the structure is assembled at 25°C. After the temperature has been increased to 90°C, determine:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
The rods of different materials are connected and placed between rigid supports at A and D, as shown in the figure. Properties for each of the three rods are given below. The bars are initially unstressed when the structure is assembled at 25°C. After the temperature has been increased to 90°C, determine:
Transcribed Image Text:The rods of different materials are connected and placed between rigid supports at A and D, as shown
in the figure. Properties for each of the three rods are given below. The bars are initially unstressed
when the structure is assembled at 25°C. After the temperature has been increased to 90°C,
determine:
A. the normal stresses in the three rods: al =
MPa, OCA=
MPa and abr =
MPa
B. the force exerted on the rigid supports. RA
kN
BFF
Aluminum
(1)
Cast Iron
(2)
B
C
2₂
Aluminum (1)
L = 450 mm
A₁ = 1000 mm²
E = 70 GPa
a₁ = 22.5 x 10-6/°C
Cast Iron (2)
L₂ = 225 mm
A₂ = 2500 mm²
E, 155 GPa
a = 13.5 x 10-6/°C
Bronze
(3)
D
Bronze (3)
L₁ = 300 mm
A3 = 900 mm²
E = 100 GPa
α = 17.0 x 10-6/°C
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning