Q2) The state of plane stress at a point can be described by a known tensile stress O-70 MPa, an unknown tensile stress o, and an unknown shear stress t, as indicated in Figure (2). At this point the maximum in – plane shear stress is 78 MPa, and one of the two in - plane principal stresses is 22 MPa (tension). Determine the values of the two unknown stresses, labeled o and t on the Figure, and determine the second in – plane principal stress. The stresses act in the directions shown on Figure (2), that is, o-o and T-T.
Q2) The state of plane stress at a point can be described by a known tensile stress O-70 MPa, an unknown tensile stress o, and an unknown shear stress t, as indicated in Figure (2). At this point the maximum in – plane shear stress is 78 MPa, and one of the two in - plane principal stresses is 22 MPa (tension). Determine the values of the two unknown stresses, labeled o and t on the Figure, and determine the second in – plane principal stress. The stresses act in the directions shown on Figure (2), that is, o-o and T-T.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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