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07-01ChapGere.0002

# 07-01ChapGere.0002 - direction and 140 MPa compression in...

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Solution 7.2-2 Plane stress (angle ) 426 CHAPTER 7 Analysis of Stress and Strain x O 20.1 MPa 25 111.8 MPa 20.2 MPa y x 80 MPa y 52 MPa xy 48 MPa 25 111.8 MPa 20.1 MPa s y 1 s x s y s x 1 20.2 MPa t x 1 y 1 s x s y 2 sin 2 u t xy cos 2 u s x 1 s x s y 2 s x s y 2 cos 2 u t xy sin 2 u Problem 7.2-3 Solve Problem 7.2-1 for x 9,900 psi, y 3,400 psi, xy 3,600 psi, and 50° (see figure). Solution 7.2-3 Plane stress (angle ) 3,400 psi 3,600 psi 9,900 psi x O 2,580 psi 50 2,540 psi 10,760 psi y x 9900 psi y 3400 psi xy 3600 psi 50 2540 psi 2580 psi s y 1 s x s y s x 1 10,760 psi t x 1 y 1 s x s y 2 sin 2 u t xy cos 2 u s x 1 s x s y 2 s x s y 2 cos 2 u t xy sin 2 u Problem 7.2-4 The stresses acting on element A in the web of a train rail are found to be 42 MPa tension in the horizontal
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Unformatted text preview: direction and 140 MPa compression in the vertical direction (see figure). Also, shear stresses of magnitude 60 MPa act in the directions shown. Determine the stresses acting on an element oriented at a counterclockwise angle of 48° from the horizontal. Show these stresses on a sketch of an element oriented at this angle. A 60 MPa 140 MPa Side View Cross Section 42 MPa A A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
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