Research on the Development History of China Railway Bridges

This article provides a systematical overview on the development history of China railway bridge in the past 60 years,analyzes and explains scientifically the internal relation between railway bridge technology development and China economic development.Further,this article puts forward the remarkable standpoint,that is:a well-designed bridge depends not just on the accurate calculation theory,but on the strict control to bridge structure deformation,and on the perfect hydrology calculation theory of skew bridge which should be positioned by the relation of route selection and bridge site.In addition,the article highlights the ideas that the development of structural style of railway bridge should be in light of the demands,and railway bridge design should be integrated into the system design.