Urban Design Research Perspective Of Han Cheng City Public Space Design

China's history of the city from the Han and Tang Dynasties Chang'an City to the Ming and Qing Dynasties Beijing city construction,from the city location,layout to the city's spatial form have made brilliant historical achievements.In recent years,the rapid development of the economy,making the city's land development intensity continues to increase,with historical style and preservation of the more complete history of the city continue to be rapidly updated by the city erosion,in this context,to protect China's historical and cultural treasures,The state of 131 cities designated historical and cultural city,this list is constantly increasing.As the carrier of history,every ancient city has its own specific value,in the current urban renewal,the traditional public life and how to live in harmony with the new city functions is an important issue we want to pay attention to.Nowadays,the ancient city not only needs to carry people's lifestyles and cultural diversity in the past,but also because of the increase of its functional attributes(the increase of the spiritual needs of the people makes the development of the tourism industry in the past has made rapid growth)New construction activities to be optimized and adjusted.Public space as an important place in the city's public activities,in the people-oriented urban design principles,through the construction of space in the public space to study,to promote the healthy development of public activities.The first chapter introduction introduced the thesis research background,purpose and significance of;Clear why want to "urban design" perspective;Why the "historical and cultural city" as the research background of public space.Research scope is a traditional urban culture embodies the value of the "urban history" in historical and cultural city;The research object is rendered as a "public space" in the form of urban space;At the same time puts forward the urgency and necessity of research.The second chapter is the historical evolution of public space and the theoretical perspective in urban design.Through the historical evolution of the public space of the Chinese and Western cities,it is important that the public space plays an important social,cultural and political role in both the Chinese and Western worlds and is an extremely important part of urban construction.In the process of theoretical development,the main development of western modern theory is mainly based on the urban public space is divided into "built space" and "social space",but also from different perspectives on its two characteristics of the analysis.The third chapter Han Cheng city public space characteristics and the protection and development.The ancient city of controlling planning mainly guided by the "Seoul" on spatial constitution form of the ancient city of Han Cheng existing carding and classified,according to the nature of use,such as object,open city public space is divided into "public courtyard space" and "public open space","unit courtyard space","streets gray space" four categories.Clear city public space of architecture and public courtyard order,puts forward some ideas of protection and development.The fourth chapter,the elements of city public space differentiation and missing problem.Through the study found that China's history in the ancient city in the urban renewal and reconstruction of all kinds of problems,to explore the essential reasons behind the problem,it is concluded that the public space not only as a carrier of the elements.From the perspective of system elements at the same time review the renewal design of public space and found that the elements of differentiation and missing is the cause of the make public space quality unsatisfactory,finally puts forward the fundamental reason for the differentiation of public space elements.The fifth chapter integration elements of city public space system.From the integration concept of Beijing charter to find integration thought in contemporary urban design,city public space transformation to seek the internal space reconstruction significance of specific system elements integration to achieve the targets at the same time-"ascension city vitality,internal reconstruction".From the internal restructuring of public open space urgency problem,to be compound space segmentation fragments of space connecting problem,to block interface elements of coordination of the above three problems of integration,transforming the fundamental principle of city public space design,accessibility,coordination,and diversity.Chapter 6 urban design perspective of Han Cheng city public space system elements of the integrated practice.By defining the urban design and planning design,and the relationship between architectural design and urban design,after the object level and type of the ancient city of Han Cheng two public space use systematic elements integrated thinking to design,to verify from public space as a breakthrough point to promote the ancient city of vitality,guide the internal restructuring of the ancient city of the urban design update.