At a point on the free surface of a stressed body, a normal stress magnitude of S, = 63 MPa (C) and an unknown posit exist on a horizontal plane. One principal stress at the point is 9 MPa (C). The absolute maximum shear stress at the p magnitude of 81 MPa. Determine the unknown stresses on the horizontal and vertical planes and the unknown prino point. Sxy Answers: O, = MPa MPa Try =

Structural Analysis
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Chapter2: Loads On Structures
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At a point on the free surface of a stressed body, a normal stress magnitude of Sy = 63 MPa (C) and an unknown positive shear stress
exist on a horizontal plane. One principal stress at the point is 9 MPa (C). The absolute maximum shear stress at the point has a
magnitude of 81 MPa. Determine the unknown stresses on the horizontal and vertical planes and the unknown principal stress at the
point.
S,
Sxy
S
Answers:
i
MPa
Txy =
i
MPа
Op2 =
i
MPa
Transcribed Image Text:At a point on the free surface of a stressed body, a normal stress magnitude of Sy = 63 MPa (C) and an unknown positive shear stress exist on a horizontal plane. One principal stress at the point is 9 MPa (C). The absolute maximum shear stress at the point has a magnitude of 81 MPa. Determine the unknown stresses on the horizontal and vertical planes and the unknown principal stress at the point. S, Sxy S Answers: i MPa Txy = i MPа Op2 = i MPa
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