Answered: no axial load in the assembly at a…

no axial load in the assembly at a temperature of 50°F. Find the stress in the steel bolts when the temperature is increased to 200°F. Use the following data:

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

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

The aluminum and bronze cylinders are centered and secured between two rigid end-plates by tightening the two steel bolts. There is
no axial load in the assembly at a temperature of 50°F. Find the stress in the steel bolts when the temperature is increased to 200°F.
Use the following data:
A (in.²)
a (/°F)
E (psi)
Aluminum cylinder
2.00
12.8 × 10–6
10 × 106
Bronze cylinder
3.00
10.5 × 10–6
12 × 106
Each steel bolt
0.75
6.5 × 10–6
29 × 106
1.0 in. -3 in.→
→-4 in. F1.0 in.
Aluminum
Bronze

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