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Earthquake behavior of reinforced concrete frames subjected to rebar corrosion

Yüksel İ. | Coşkan S.

Conference Object | 2013 | Sustainable Construction Materials and Technologies2013-August

The aim of this paper is to investigate the earthquake behaviour of reinforced concrete frames subjected to rebar corrosion. A typical two-bay, four-story reinforced concrete (RC) frame is designed. Two different rebar corrosion scenarios and a design spectrum are selected. The deteriorated condition in these scenarios are included which are loss in diameter of rebar, changes of mechanical properties of reinforcement steel bars, bond strength and changes in damage limits of concrete sections. The RC frame is evaluated using a nonlinear static analysis method in sound condition as well as deteriorated conditions. The rebar corrosion . . .effect on the global level is investigated by comparing the responses of each scenario with respect to the response of sound condition of the frame. The result shows that the progressive deterioration of frames over time can cause serious reductions on the load-bearing capacity. Hence the overall seismic behaviour of the frame is adversely affected. © 2013 Sustainable Construction Materials and Technologies. All rights reserved Daha fazlası Daha az

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