Reserch On Historical Evolution Of Urban Spatial Context Mechanism Of Tianshui

With the rapid development of social economy and the increasing population,the urban land is also expanding rapidly.The historical urban area in the city is faced with the aging of infrastructure and the declining of the historical features,which carries the cultural space of urban renewal and development.But also continue to be eroded,the city lost its roots in the cultural context of the soil,into renewal of historic cities has become increasingly prominent,and has become a new bottleneck in urban development.In recent years,in the development of the city to respect the traditional culture,the protection of cultural heritage,more and more countries and people's attention.December 2013,the central urbanization work conference,so that the city into the nature,so that residents can see the mountains,see the water,remember to live nostalgia;February 2014,General Secretary Xi Jinping in Beijing,History and culture is the soul of the city,like to cherish their own lives to protect the city's historical and cultural heritage;in December 2015,the central city work conference pointed out that the continuation of the city's historical context,to protect the cultural heritage left by their predecessors.Since ancient times,Tianshui is an important economic,cultural and logistics center,and due to location conditions and become the Silk Road West Changan's first city.As a national historical and cultural city heritage for thousands of years of history and culture,with a variety of cultural coexistence characteristics.Tianshui city streets and urban context followed the texture and has a relatively stable historical and cultural space form.The city context is the historical form of the spatial factor and the temporal factor in the present city.Therefore,we can review the historical vicissitude of Tianshui city and analyze its forming process,sort out the development space of the cultural space,and comb the integration space.According to urban design and visual order of urban space theory,constitute a multi-level system of urban cultural context.Based on the study of Tianshui's space culture,this paper divides Tianshui's urban construction into four stages according to space and time.With the historical map of different periods as an empirical case,combined with historical map and data analysis,According to the macroscopic,meso-and microcosmic levels,this paper analyzes the spatial evolution of Tianshui historical cities.The paper tries to find out some organic construction strategies and methods to construct the contemporary urban space context which is of great value and significance to the contemporary city.So that Tianshui historical city in the city renewal in the original space context system for the current development of the city to provide practical signif icance,so that this historical and cultural city of Tianshui to sustainable development.