2012, Volume 14, Issue 11
Strategic Study of CAE >> 2012, Volume 14, Issue 11
Design and analysis for health-diagnosis-oriented test model of cable stayed bridge
1. School of Civil Engineering, Hunan University, Changsha 410082;
2. Bureau of Public Utilities of Huizhou Municipality, Huizhou, Guangdong 516001, China
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Abstract
Taking the Hesheng Bridge as the prototype, a health-diagnosis-oriented concrete cable-stayed model bridge was designed and made with a scale of 1∶15 based on similarity theory, problems and solutions were analyzed in model design process. The initial finite element model(FEM) of prototype and model bridge were established and the baseline FEM were computed after model updating. The static and dynamic characteristic similarity of the model and prototype bridge was analyzed at undamaged and damage states. The results show that after a variety of simplifications and treatments, the static and dynamic characteristic and damage characteristic of model and prototype bridge still have a good similarity. The method can provide a reference for the model design of concrete cable stayed bridge.
Keywords
concrete cable-stayed bridge ; model design ; model updating ; damage diagnosis
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