Abstract
The development and application of the reinforced concrete arch bridge has been several decades in China. However, the research on arch bridge is relatively slow in recent years, due to the limit of arch bridge’s dependence on geological conditions , the characteristics of its structure and construction technology . Especially ,many reinforced concrete arch bridges which were built after 1940s has been subjected to earthquake, flood or beyond design life. And there is lack of some corresponding researchs on assessment criteria. This paper aims to put forward some state evaluation methods and suggestions by the test and analysis of dynamic characteristics of reinforced concrete arch bridge. Keywords: reinforced concrete arch bridge; state evaluation; dynamic test; modal analysis
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