Research on the Evolution and Reconstruction of Urban Spatial Structure in Zhengzhou

As Central Plain Economic Zone becoming into national strategies,building Zhengzhou of regional center city is an important part of the strategy,which supports the Central China rising and improves the regional development in China.In the analysis of evolution of Zhengzhou urban spatial structure,which development from double ″V″ shape of ″one core two areas,railway division″ to ″dual-core,multi-center″,this paper gets the evolution of characteristics and explores the factors of urban development.Zhengzhou unique urban spatial structure is formed by topography,traffic,economic,decision-making,major projects and historical continuity factors.Reconstruction and optimization strategies of Zhengzhou urban spatial structure are put forward from the perspective of the internal spatial structure,the modern industrial space,the ecological barrier space,the metropolitan area spatial structure and urban development.