Mathematical Model for Cyclic Loading of a R.C. Beam with Relocatable Plastic Hinges

Mathematical Model for Cyclic Loading of a R.C. Beam with Relocatable Plastic Hinges

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A replica beach walk candle single component reinforced concrete beam element modified to include varying locations of plastic hinges, was developed for use in the DRAIN-2D computer program.The model simulates the major characteristics of a reinforced concrete beam subjected to load reversals.This model consists of an elastic line element, two inelastic rotational springs, and two rigid zones.The deus gorras properties and function of each component are described in this paper.

Also, a verification of its accuracy is given.The results indicated that the model is a good and an economical mathematical tool for simulating how relocation of a beam hinging zone affects the inelastic response of a reinforced concrete building under earthquake motion.