When a member is subjected to uniaxial tensile or compressive stress in presence of shear stressτ , yield occurs when ___(a) fy^2 = f^2 – 3 τ(b) fy^2 = f^2 + 3 τ^2(c) fy^2 = f^2 – 3 τ^2(d) fy^2 = f^2 + 3 τThe question was asked by my school teacher while I was bunking the class.This interesting question is from Plastic Design of Portal Frames, Effect of Axial and Shear force on Plastic Moment Capacity in portion Plastic and Local Buckling Behaviour of Steel of Design of Steel Structures

When a member is subjected to uniaxial tensile or compressive stress i

1.	When a member is subjected to uniaxial tensile or compressive stress in presence of shear stressτ , yield occurs when ___(a) fy^2 = f^2 – 3 τ(b) fy^2 = f^2 + 3 τ^2(c) fy^2 = f^2 – 3 τ^2(d) fy^2 = f^2 + 3 τThe question was asked by my school teacher while I was bunking the class.This interesting question is from Plastic Design of Portal Frames, Effect of Axial and Shear force on Plastic Moment Capacity in portion Plastic and Local Buckling Behaviour of Steel of Design of Steel Structures
Answer» The correct CHOICE is (b) fy^2 = f^2 + 3 τ^2 The best EXPLANATION: When a member is subjected to uniaxial tensile or compressive STRESS in presence of shear stressτ, yield occurs when fy^2 = f^2 + 3 τ^2.

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