The Landscape Change Design Research Of Chengdu Historical And Cultural Blocks Basing On The Concept Of Organic Renewal

With the acceleration of China’s urbanization process,the rapid growth of urban population,and then the urban land tension,the deterioration of the urban environment,urban green space landscape recession and a series of urgent need to solve the problem.At the same time,a large number of pieces of street greenbelt in the city has not been fully exploited or be idle in the city,this is not to make full use of street greenbelt in the city not only caused a waste of city land,at the same time because of the out of order to a large extent also affected the city style.With the rapid development of city economy,people on the street greenbelt in the city’s environmental quality and functional requirements is increasing,while the green city streets are not fully utilized,the status quo and decline of aging people,out of order the contradiction between the demand of the increasingly prominent.The renewal of the urban street green space is imperative,and the renewal must focus on strengthening the function of urban street green space,strengthen the function of urban street green space,to meet the demand of the new era of urban street green space.This is to improve the city environment to improve the city style have significant effect,but also has a certain role in mitigation for city land shortage problem,more important is to provide a warm,pleasant and comfortable outdoor public space for the public.The Organic renewal theory includes the protection and development which restricts and accelerates each other at the same time.Comparing with traditional methods,the Urban organic renewal theory system is more affinity open,in the aspects of exquisite design method stressde to sublation moderate and had a strong inclusive.Pay attention to the old city context and the historical inheritance and continuity;Pay attention to the scope of each update of the accused,and gradually is not a large one-time update development.In this paper,we use the theory of the organic update for further interpretation and explanation combined with the existing theory.The old city is an organic and complete system,emphasizes the update is dealing the process of the relationship of the old city between the part and the whole.Update old city should follow the original urban framework structure and skin texture,emphasis on a small scale updates.The old city update should follow the principle of gradual and emphasize the organic nature of the overall proce.Street greenbelt in the city is the city greenbelt is idle because the function can not meet the demand of modern city life,this is the road outside the red line,arranged along the street from the area of hundreds of square meters to eight thousand square meters,mostly concentrated in the turntable,the road intersection street,Garden Street plaza.Chengdu as the first national ecological garden city,pay enough attention to the construction of city green space in the government,and Chengdu people advocating leisure entertainment,and street greenbelt in the city as a part of city public space for the public to provide a venue,so this paper selects the Chengdu City Green Street as the research sample,representative research update design and improvement of our city greenbelt.This paper mainly researches into the update for street greenbelt in the city,while the use of organic renewal renewal concept to guide the city greenbelt.principles,strategies and steps of transformation of city greenbelt.That is based on respecting the original good resources,history,culture,spirit of place,seeking to develop protection,starting from the current situation,according to local conditions to develop the transformation scheme of various stages,implement the integrity,participation,protection,progressive,humanity and other basic principles,to promote the city renewal and green street the development,improve the city greenbelt landscape as a whole,improve the city green system and city ecological pattern,provide a new city public open space for the city residents,establish city street green harmonious coexistence between man and nature.