美国打造世界最大“空中花园” 绿色爬满18层楼
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美国俄勒冈州的波特兰市日前通过一项决议,计划修建世界上最大的“空中花园”。
据外电21日报道,虽然还未想出如何去修剪这些枝叶,但当地的建筑师和官员们却决定在波特兰市中心修建高达250英尺高的绿色棚架,而这座绿色棚架将遮盖一座18层写字楼整个西半侧的楼体。
报道称,这并不是用垂直绿化模式建设生态建筑的第一次尝试。但是即使是在那些绿化程度很高,花草环绕的著名城市,绿色伊迪斯温德怀亚特联邦大厦都会在其中脱颖而出。
当地的建筑师们计划在这栋建筑的西半墙上修建7道被称为“鳍”的金属模板,绿色植物就在这些“鳍”中生根发芽。
建成后绿色植物覆盖面积将相当于三分之二个足球场那么大。夏天,浓密的植物会覆盖墙体,可以保持建筑物内的凉爽;而在冬天,裸露的树枝又可以让阳光毫无遮拦的照进建筑物内。
据悉,这项计划是总计1.35亿美元联邦刺激基金的一部分,这也是俄勒冈州迄今为止最大的一次单项经济刺激计划。联邦总务管理局的官员表示,他们的目标是修建一座具有里程碑意义的高性能建筑。
目前,联邦政府雇佣的工人已经开始进驻临时工房,完成这项工程预计需要30到40个月。
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