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近日,西安市出台《推进城市屋顶绿化和垂直绿化工作实施意见》,要求建筑层数7层以下、高度低于22米的非坡层顶新建、改建建筑和竣工时间不超过20年、层顶坡度小于15度的既有建筑,应当实施屋顶绿化,力争今明两年新增屋顶绿化12万平方米。点评:城市屋顶绿化能减少阳光对屋顶的直接照射和屋顶的热量蓄积,植物能带走周围环境中的大量热量。同时大面积的屋顶绿化,对
Recently, Xi’an promulgated the “Opinions on Advancing the Roof Greening and Vertical Afforestation in Cities”, requiring non-slope roofs below the 7th floor and below 22 meters in height to build, reconstruct and finish the building for less than 20 years. The roof Existing buildings with a slope of less than 15 degrees should implement roof greening and strive to add 120,000 square meters of green roofs in the next two years. Comments: urban green roof can reduce the direct sunlight on the roof and the roof of the heat accumulation, plants can take a lot of heat around the environment. At the same time a large area of green roof, right