Load Test Of PC Composite Beam Bridge With Corrugated Steel Webs

With the implementation of "The Belt and Road Initiative" national policy,the strong development opportunities of our nation's bridgeconstruction was provided.China take a leading position in bridge design around the world,both in quantity and structural complexity.In the rapid development of bridge construction in China,we should carry out inspection,maintenance and reinforcement of new and commissioned bridgesscientifically and efficiently,evaluating the carrying capacity of new and commissioned bridgesaccurately and effectively,mastering the static and dynamic characteristics of bridges,improving the reliability and security of bridges,which are important research projects of bridge industry.The PC composite beam bridge is a new kind of steel-concrete composite structure which has the advantages of light weight,low load force.It improved prestress efficiency,simplifying construction steps and so on.With a long process of development,it has developed into a mature and competitive bridge.However,there are few researchs on the load test of PC composite beam bridge with corrugated steel webs,and the understanding of the load carrying capacity of PC composite beam bridge with corrugated steel web is still not deep enough.This paper based on the new structure system of PC composite beam bridge with corrugated webs,combined with the bridge load test of PC composite beam bridge with corrugated webs and the results of finite element simulation analysis,researching the performance evaluation of bridges based on static and dynamic tests mainly.The test performance and the characteristics of the static and dynamic performance of the structure are measured and evaluated.The load capacity and dynamic characteristics of the PC composite beam bridge under the normal working conditions are measured and evaluated.The waveforms are accurately evaluated according to the requirements of the specifications and standards.The actual carrying capacity,reliability and construction quality of the new structural system of the web-based composite bridge are provided,which will provide valuable experience and guidance for the future renewal and the construction of more complex bridges.