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一、城市地下空间开发利用的意义与作用 (一)开发利用城市地下空间是城市可持续发展的有力支持我国城市人口、经济的迅速增长,已引起了城市问题和矛盾日益增多。其中的矛盾焦点是城市地面用地需求与有限土地供应之间的短缺。目前,一般城市地面用地的使用程度已处于日趋饱和或超饱和状态,地面建筑高楼林立,道路交通拥挤,生态环境恶化,严重地威胁城市的发展。解决矛盾的可能办法是继续修建高层建筑物或提高市区内地面建筑密度,或向郊区外延扩张挤占其它用地。这样下去,会使城
First, the significance and role of the development and utilization of urban underground space (a) the development and utilization of urban underground space is a strong support for urban sustainable development Urban population in our country, the rapid economic growth has caused the urban problems and contradictions increasing. The paradox of this is the shortage between the demand for urban land use and the limited supply of land. At present, the use of land for general urban areas is becoming saturated or supersaturated. The high-rise buildings on the ground, crowded roads and deteriorating ecological environment have seriously threatened the development of cities. Possible solutions to the conflict are to continue the construction of high-rise buildings or to increase the density of ground-level buildings in the urban areas or extend their expansion to the suburbs to occupy other sites. This continues, will make the city