(Solution Download) The polyethylene liner of a settling pond is subjected to


The polyethylene liner of a settling pond is subjected to stresses (x = 350 psi, (y = 112 psi, and Txy= -120 psi, as shown by the plane-stress element in the first part of the figure.
Determine the normal and shear stresses acting on a seam oriented at an angle of 30o to the element, as shown in the second part of the figure. Show these stresses on a sketch of an element having its sides parallel and perpendicular to the seam.

The polyethylene liner of a settling pond is subjected to

 







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