Plastic hinge behaves like a ______(a) friction mechanical hinge except that there is always a fixed moment constraint(b) frictionless mechanical hinge except that there is no fixed moment constraint(c) friction mechanical hinge except that there is no fixed moment constraint(d) frictionless mechanical hinge except that there is always a fixed moment constraintThis question was addressed to me during an interview for a job.I need to ask this question from General Requirements for Plastic Design and Plastic Hinge in chapter Plastic and Local Buckling Behaviour of Steel of Design of Steel Structures

Plastic hinge behaves like a ______(a) friction mechanical hinge excep

1.	Plastic hinge behaves like a ______(a) friction mechanical hinge except that there is always a fixed moment constraint(b) frictionless mechanical hinge except that there is no fixed moment constraint(c) friction mechanical hinge except that there is no fixed moment constraint(d) frictionless mechanical hinge except that there is always a fixed moment constraintThis question was addressed to me during an interview for a job.I need to ask this question from General Requirements for Plastic Design and Plastic Hinge in chapter Plastic and Local Buckling Behaviour of Steel of Design of Steel Structures
Answer» The correct CHOICE is (d) frictionless mechanical hinge except that there is ALWAYS a fixed moment constraint The best explanation: PLASTIC hinge behaves like a frictionless mechanical hinge except that there is always a fixed moment constraint which is equal to plastic moment CAPACITY of the section.

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