How to calculate energy dissipation from force displacement hysteretic loops for RC beam/column in Cyclic loading?

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Niraj Malla

If you have Force deformation curve it's not a problem. You can calculate it by using E = summation of (F *(d2 - d1)) i.e. integrate the force deformation curve

The strain energy will be recovered during unloading and you will only get the dissipated energy.

Rajib Kumar Biswas

Thank you for your answer dear Niraj...Can you give me any reference for better understanding?

Rajib why don't you go through Dynamics of Structure Chapter 7. You can find the equation there. Please note that it is for dynamic case so don't get confused seeing K.E. term and Strain energy term at any time instant.

Thanks again.