既有低荷载屋顶的轻型绿化研究.pdfVIP

学兔兔 新 建魄 中国科技核心期刊 既有低荷载屋顶硇轻型绿化研究 管斌君 (浙江万里学院设计艺术与建筑学院，浙江 宁波 315100) 摘要：针对既有低荷载屋顶绿化的承重、抗台风、大雨冲刷和植被选择问题，用密度更轻的陶粒替代碎石，配制多孔轻集料植被 混凝土，进行多孔轻集料植被混凝土的孔隙率、碱度和强度等性能研究。介绍了由隔根层、植被层、多孔轻集料植被混凝土等组成的 轻型屋顶绿化系统，整个轻型屋顶绿化系统的静荷载约140．4 kg／m ，适用于既有低荷载屋顶的绿化。 关键词：轻型屋顶绿化；多孔轻集料植被混凝土；既有低荷载屋顶 中图分类号：TU57*6 文献标识码：A 文章编号：1001—702X(2014)07—0061—04 Research on ligllt roof greening based on existing low design load roof GUAN Binjun (Faculty of Design and Architecture，Zh~iang Wanli University，Ningbo 315100，Zhejing，China) Abstract：Aiming at problems such as bearing，anti typhoon and torrential rain performance and vegetation selection of existing low design load roof greening,lightweight aggregate was adopted to replace gravel to form porous lightweight aggregate vegetation- growing concrete．The performances of porous lightweight ag~；regate vegetation—growing concrete such as porosity，compressive strength and alkali environment were researched．The light roof greening system included the root separation layer，vegetation-growing layer and porous lightweight aggregate vegetation—growing concrete．Its whole dead load was about 140．4 kg／m2 and was suitable for exist- ing low design load roof greening． Key words：light roof greening system；porous lightweight aggregate vegetation—growing concrete；existing low design load roof (2)沿海地区屋顶绿化的抗台风和大雨冲刷问题。沿海地 O 前 言 、 区同时受西风带和东风带天气系统的双重影响，各种气象灾 屋顶绿化是指植物栽植在屋顶区域的一种绿化形式。在 害频繁发生。如何保证在台风、暴雨冲刷下，既有建筑物屋顶 城