Research on the build of Healthy Walking System for Urban Central Business District: A Case Study of Jiangbeizui CBD in Chongqing, China

1. Backgound & peoblems 1.1 CBD of China in the regeneration period : The development period of CBD can be described from the industrial scope, showing the upgrade of CBD’s function from traditional commercial to headquarters economy, which also displays different demand for urban space. In China, the construction of urban CBD in metropolitans began in 1990s, under the background of the reform and opening-up policy, and within a decade, most of the construction could be finished, and then goes into the special period, construction and regeneration run in parallel, together with urban vitality problems exposed. So it is an urgent to propose efficient regeneration strategies aimed at target problems. 1.2 Jiangbeizui CBD: facing more challenges and opportunities : Jiangbeizui CBD is located in the core of Chongqing, the municipality in southwest China. As the upper reaches of the Yangtze River, it bears the strategic significant duty for domestic and international economic communication in inland of China.While at the same time, Chongqing is also a famous mountain city, and Jiangbeizui CBD is at the intersection of two rivers (Yangtze River & Jialing River). The fluctuating terrain is not only the charm of the city, but also brings challenges to urban life. Urban CBD means high publicity for work, service and tourism, but in Jiangbeizui, the urban space is fragmented in function due to complex topography, including discontinuous mobility system, service system and fragmented landscape, which lead to the low vitality and inconvenience in daily work and life, showing low equality of space use and amenity. So initiatives have to be taken to react. 2. Related theory and research method 2.1 Theory about the healthy city : Jiangbeizui CBD now is at state of subhealth, which according to the WHO principle, it displays three unsatisfying perspectives: people lack of ways to promote physical and mental helath, and this cause low social well-being. After APA (American Planning Association) meeting in 2014, the concern has been extended to equality and help resolve the non-communicative diseases which caused by unhealthy lifestyle that may have reasons of urban design. So how to help Jiangbeizui CBD improve the life quality in regeneration (following the healthy city concept and propose strategies which can be implemented) is the main topic in this paper. 2.2 Analysis method : The basic study is literature review, to specify the main idea of healthy city and urban CBD development, and take references from cases. The key method is based on the urban regeneration project, including field research, interview and meetings with people (local resident, employees of companies at Jiangbeizui CBD and tourists) and data analysis which provided by the government. Data of geography, mobility system and urban landuse will be analyzed to explore the problem. 3. Conclusion & Strategies : Basically, there are two aspects to promote health in urban planning: one is to keep the bottom line of reducing pollution to help decrease human exposure risk, the other is to promote exercise. 3.1 The elements to build a healthy walking system in CBD : To encourage individuals to form better lifestyle, a healthy walking system was proposed based on the daily life route of different group of people, to link public transportation system, service nodes and landscape nodes, which creating intersection to inspire vitality. 3.2 Urban policy advices : Some problem of urban space is on account of urban management, advices about the planning and its implementation will also be proposed.