Abstract
Abstract Ecological civilization construction has risen to be a major social concern in China so that green construction and low-carbon life have been advocated. However, the construction of urban micro-scale green space environment might not align well with the national policies, forming public space without people involved in, which caused an energy consumption rise of interior service-oriented public buildings with high-volume people. Therefore, this paper is aimed to explore suitable spatial structure and configuration in outdoor bottom environment to improve the site efficiency through field measurement and numerical simulation. The results show that, first, multi-layered greening system (MLGS) proposed might activate urban micro-scale green space with the public involved in, and the mean radiation temperature (MRT) declines 1-3 °C. Second, the integration of colonnade (semi-open space) + courtyards is suitable for exterior space of service-oriented public buildings with high-volume pedestrians under hot-humid climatic condition. Third, the ability of microclimate adjustment is sunshade > evaporation > grass ground. Finally, compared to grass, water-holding pavement has obvious cooling effect (lower 12 °C under sunlight and 8 °C under membrane structure) on underlying surface temperature.
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