城市中心区稀化对策

大城市在不断发展过程中,城市人口和城市建设用地快速增长和扩展,中心城区土地和环境容量往往会与城市发展需求产生矛盾,导致用地布局和用地结构不合理,道路网络系统、交通设施滞后,建筑密度过大、人口更加密集、居住环境质量下降,不利于大城市的可持续发展.以贵阳市中心区的稀化为个案,分析新时期人居环境和生态文明城市建设的要求,提出城市中心区稀化的对策,涉及人口、交通、城市形态、建筑等等方面,为各个类似城市的中心区稀化提供借鉴和参考.

Comprehensive Decentralization of the Central Region of a Metropolis

The evolution of a growing metropolis is typically accompanied by the fast growth of urban population and the increased demand of land usage.In general,the limited availability of urban land and the environmental capacity of a city cannot satisfy the requirements of the growth,leading to improper usage of the already limited urban land.Associated problems include inefficient transportation networks and facilities,excessive density of urban structure and population,degraded quality of the living environment,...