At a temperature of 20 °C there is a gap ∆ = 0.2 mm between the lower end of the brass bar and the slab  rigid suspended from the two steel bars.  Neglecting the mass of the slab, determine the stress in each  bar when the temperature of the assembly rises to 100°C  Answer: σsteel = 15.462MPa (t), σbronze= 20.615MPa(c),

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter2: Axially Loaded Members
Section: Chapter Questions
Problem 2.4.9P: Repeat Problem 2.4-8, but assume that the bar is made of aluminum alloy and that BC is prismatic....
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At a temperature of 20 °C there is a gap ∆ = 0.2 mm between the lower end of the brass bar and the slab
 rigid suspended from the two steel bars.  Neglecting the mass of the slab, determine the stress in each
 bar when the temperature of the assembly rises to 100°C  Answer: σsteel = 15.462MPa (t), σbronze= 20.615MPa(c),

Bronce
Acero
Bronce
A = 400 mm?
A = 600 mm?
Acero
Acero
E = 200 GPa
E = 83 GPa
800 mm
d
A = (11.7)10°°C
= (18.9)10°°C
Losa rígida
Dimensione
Transcribed Image Text:Bronce Acero Bronce A = 400 mm? A = 600 mm? Acero Acero E = 200 GPa E = 83 GPa 800 mm d A = (11.7)10°°C = (18.9)10°°C Losa rígida Dimensione
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