Question

For the state of stress shown:

a) Determine the in-plane principal stresses and the maximum in-plane shear stress.

b) Show these stresses on a properly oriented element.

c) Determine the maximum shear stress d) How do these (a, b, c) change if z = -20 MPa (20 MPa in compression)?

With detialed explination please! Much appreciated 90 MPa 20 MPa 60 MPa

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Answer #1

20Mp 9 100MPa, σ2= 50MPR-, In-Plane principal she G-40 Op 2.6.56 27 45 IRhS 2 o-100그3 ← Go -20 O =ー20( (60 xfD)-(-201-20 0 0 -20 -100000 mai 2.

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