The plastic hinge and shear hinge both can occur in beam column joint under cyclic loading. Which one is favorable in terms of improved behavior (Energy dissipation, ductility, stiffness retention) under cyclic loading. How pinching describe the behavior of beam column joint?.
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Attach images of shear/plastic hinges in BCJ for the better description, If someone have.
Plastic Hinge or Non-linear Hinge Formation is termed for yield or yield after conditions of material or any part of structural system.
Plastic Hinge is classified basically in Two forms...
1. Moment or Flexural Plastic Hinge
2. Shear Hinge
So where the structural failure pattern is flexure type, there you should use moment plastic hinge.
In that same way where the failure may occur for shear, you should use shear plastic hinge.
* Of course you can use both hinges at same time at same location of any structural joint or any part of a structural element, if you are not sure about failure pattern. So in the end using both hinges you can have the real scenario.
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