Structural performance of deteriorated reinforced concret bridge piers

What is it about?

The aim of this study is to assess the structural performance of deteriorated reinforced concret bridge piers, and to provide method for developing improved evaluation method. For a deteriorated bridg piers, once the cover spalls off and bond between the reinforcement and concrete has been lost, compresse reinforcements are likely to buckle. By using a sophisticated nonlinear finite element analysis program, th accuracy and objectivity of the assessment process can be enhanced.

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Why is it important?

Material nonlinearity is taken into account by comprising tensile, compressive and shea models of cracked concrete and a model of reinforcing steel. Advanced deteriorated material models ar developed to predict behaviors of deteriorated reinforced concrete. The proposed numerical method for th structural performance assessment of deteriorated reinforced concrete bridge piers is verified by comparin it with reliable experimental results.

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