*2-20. The piece of plastic is originally rectangular. Determine the average normal strain that occurs along the diagonals AC and DB. Geometry: AC = DB = √400² + 300² = 500 mm ᎠᏴ . -√405² +304² = 506.4 mm A'C' V401²+ 300² 500.8 mm - 2 mm 300 mm 2 mm D 400 mm- A mm, B 3 mm 14 mm 12 mm -X

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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What is the shear strain at position B?
*2-20. The piece of plastic is originally rectangular.
Determine the average normal strain that occurs along the
diagonals AC and DB.
Geometry:
AC = DB = √400² + 300² = 500 mm
ᎠᏴ . = √405² + 304² - 506.4 mm
A'C'
-
V401²+ 300²
- 500.8 mm
2 mm
300 mm
2 mm
D
400 mm-
A
B
mm
3 mm
4 mm
12 mm
-X
Transcribed Image Text:*2-20. The piece of plastic is originally rectangular. Determine the average normal strain that occurs along the diagonals AC and DB. Geometry: AC = DB = √400² + 300² = 500 mm ᎠᏴ . = √405² + 304² - 506.4 mm A'C' - V401²+ 300² - 500.8 mm 2 mm 300 mm 2 mm D 400 mm- A B mm 3 mm 4 mm 12 mm -X
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