A three part bar is connected to walls at D and C and loaded as shown. Middle section AB is solid A36 steel with diameter. A previous analysis by a now departed coworker correctly determined that the internal normal stress in DA was 54.952 MPa compression. You are asked to determine the horizontal displacements of joints A and B (that is ua and uB). Ans: ua = 0.053 mm left a 20 mm diameter (E = 200 GPa). Outer sections DA and BC are solid red brass (E = 101 GPA) with a 50 mm -250 mm-- 500 mm 250 mm- 50 mm 20 mm 75 kN 100 kN A 75 kN 100 kN B C
A three part bar is connected to walls at D and C and loaded as shown. Middle section AB is solid A36 steel with diameter. A previous analysis by a now departed coworker correctly determined that the internal normal stress in DA was 54.952 MPa compression. You are asked to determine the horizontal displacements of joints A and B (that is ua and uB). Ans: ua = 0.053 mm left a 20 mm diameter (E = 200 GPa). Outer sections DA and BC are solid red brass (E = 101 GPA) with a 50 mm -250 mm-- 500 mm 250 mm- 50 mm 20 mm 75 kN 100 kN A 75 kN 100 kN B C
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A three part bar is connected to walls at D and C and loaded as shown. Middle section AB is solid A36 steel with a 20 mm diameter (E = 200 GPa). Outer sections DA and BC are solid red brass (E = 101 GPa) with a 50 mm diameter. A previous analysis by a now departed coworker correctly determined that the internal normal stress in DA was 54.952 MPa compression. You are asked to determine the horizontal displacements of joints A and B.
Transcribed Image Text:3.
A three part bar is connected to walls at D and C and loaded as shown. Middle section AB is solid A36 steel with
a 20 mm diameter (E = 200 GPa). Outer sections DA and BC are solid red brass (E = 101 GPA) with a 50 mm
diameter. A previous analysis by a now departed coworker correctly determined that the internal normal stress
in DA was 54.952 MPa compression. You are asked to determine the horizontal displacements of joints A and B
(that is ua and ug). Ans: UA = 0.053 mm left
-250 mm-
500 mm
-250 mm-
50 mm
20 mm
75 kN
100 kN
D
A
75 kN
100 kN B
C
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