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重点论述了屋顶绿化的建筑节能、屋面保护和酸雨缓和特性,并从城市环境、建筑和使用者三个角度总结了屋顶绿化的功能。屋顶薄层绿化新技术不仅大大减轻绿化种植层的重量和厚度,并且很好地解决了绿化层排水、基质层的保水保肥、植物根系的呼吸和生长、建筑屋面和防水层保护等诸多的问题,是传统屋顶绿化的更新换代技术,代表着屋顶绿化的发展方向。
The paper mainly discusses the building energy conservation, roof protection and acid rain mitigation features of green roof, and summarizes the function of roof greening from three aspects of urban environment, architecture and users. The new technology of roof thin layer greening not only greatly reduces the weight and thickness of green planting layer, but also solves many problems such as drainage of greening layer, water and fertilizers of matrix layer, respiration and growth of plant roots, protection of building roof and waterproof layer The problem is the replacement technology of traditional roof greening, which represents the development direction of green roofs.