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The paper deals with the finite-element analysis of damage in reinforced concrete beam and pre-stressed reinforced concrete beam. The steel reinforcement is modeled using non-linear rebar elements and an elastoplastic model of the reinforcement is considered. The initial prestress is defined in the ropes that are used to create the pre-stressed reinforced concrete beam. These ropes are also modeled using non-linear rebar elements and the elastoplastic material model. Created computational model allows the damage modeling of the reinforced and pre-stressed reinforced concrete beams under static loading. This work is supported by VEGA 1/0795/16 Development of effective methods for correction and optimization of coupled mechanical system. This work was supported by the Slovak Research and Development Agency under the contract No. APVV-0736-12.

The damage analysis of the reinforced concrete beam and the prestressed reinforced concrete beam