中文摘要：

本文提出社区尺度上的户外空间主要由半公共空间和半私密空间复合而成，并引入“户外共享空间”的概念，在此基础上分解共享空间的组成要素，剖析共享空间的功能，分析共享空间在促进居民社会交往方面的重要作用。本文按照半公共半私密的特性及空间的主导功能将户外共享空间分成七类，提出这七类共享空间居民交往的模式，以及不同功能主导的共享空间的结构布局。研究表明，共享空间的合理使用是城市生态社区结构和功能在人文关怀上的体现，良好的共享空间设计对营造活跃、融洽的城市生活氛围，推动城市社区朝向生态化和可持续方向发展有不可忽视的作用。

英文摘要：

This paper brings forward that the outdoor space on a community scale is mainly composed of half-public space and half-private space. Thus the authors introduce a concept of shared outdoor space, and e- laborates its definition. The autors decompose the components of shared space, dissect its functions and ana- lyze how shared space can take an important effect on stimulating intercourses between residents and attract- ing more groups of people. According to the outdoor activity theory, this paper sums up a mode how the qual- ity of shared space has influence on outdoor activities. This paper makes a survey on outdoor activities of LongHui Garden community in Shenzhen. The result shows that there are differences between various users who initiate activities in shared outdoor space. Therefore, it is necessary to plan and design shared outdoor space based on different demands of different user groups. The reasonable usage of shared outdoor space re- flects humanistic care on the structures and functions in urban community, and the excellent design of shared space performs an un-neglected role on creating an active and harmonious atmosphere of urban life, which al- so can push the urban community forward to sustainable and ecological community. According to different leading-functions and the characteristics of half-public and half-private space, the outdoor shared space is di- vided into seven types. This paper brings forward a mode to analize how the seven types of shared outdoor space stimulate the interaction among residents. Based upon the comparison between neighborhood unit space and shared space, this paper integrates the functions of shared space and makes seven types of shared space together into an organic entirety in order to form a shared space which ecological community should have. Finally, the authors summarize a mode for stimulating interaction of the shared space in urban commu- nity, and then put forward a reasonable mode for shared outdoor space in urban ecological community.