The Existing Concrete Bridges Detection Reinforcement Study

There are many serving bridges in our country. Most of them have already reached the design period of service or even overrun situation time. There are many diseases and defects with some bridges. It is difficult to adapt to the rapid development of today's transportation. If they are all removed and rebuilt, it will need very much money. Therefore, there is great significance for the application study of bridge inspection and stabilizing technology.This paper firstly analyzes the purpose and significance, research status and development trend of the bridge inspection, as well as the development historical and technical research status of bridge strengthening. Then the main research content of this article is proposed. Secondly, load test on the existing concrete bridges is studied. It includs the static load test and dynamic test of bridge inspection. And the test content, methods and considerations are detailed analysised, which can provide the bridge project quality inspection. Thirdly, the reinforced theoretical of the existing concrete bridges is studied by the purpose and requirements of reinforced concrete bridges, surface strengthening methods, the non-structural reinforcement method and substructure strengthening methods. The scope of the various strengthening methods and precautions to bridge strengthening are discussed in detail. Moreover, engineering examples of a bridge test analysis elaborated on various testing technology of practical engineering application method and precauted for the similar projects for reference. Finally, a project example of bridge strengthening analysis, on-site investigation and the static load test results show that there are some problems with the bridge quality. And the bridge needs to be reinforced. The reinforcement design method is analyzed in detail.