Many of the problems for Sections 2.1-2.4 require the determination of principal stresses and maximum shear stress, as well as the location of the planes on which they act. These quantities are required input in design and failure criteria for structural and mechanical systems.
In Problems 2.34 through 2.38, determine the principal stresses, maximum shear stress, and octahedral shear stress.
The nonzero stress components are σxx = 180 MPa, σyy = 90 MPa, and σxy = 50 MPa.
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