轻钢别墅如何节能环保呢? - 集成房屋_山东集装箱房屋供应商_威海组合式集成房屋生产厂家_烟台万合集成房屋有限公司
 
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轻钢别墅如何节能环保呢?

2015-10-30

核心提示:节能建筑是一个国家经济发展到一定水平时所必须考虑的问题,也是是世界性课题,更是我们国家的基本国策。我们在轻钢别墅建筑设计时,节能设计是很重要的项目之一,根据我国不同的地域不同的气候条件,轻钢结构住宅都能满足这些要求。  1、平面布置有利于自然通风。因此条式建筑要比点式建筑好。  2、建筑物朝向宜采用南北和接近南北向。  3.建筑物体形系数(即建筑物室外大气接触的外表面与其包围的体积之比)条形建筑不应超过0.35,不宜超过0.3;点式建筑不应超过0.4。这就要求住宅平面设计时尽量减少凹凸部分。实测资料表明:当建筑物体型系数小于等于0.3时,无论是采用内保温还是外保温墙体,都能实现50%的节能要求。当体型系数大于0.30而达到0.35时,采用外保温也能实现上述目标。  4、窗的面积不应过大,不同朝向有不同的窗墙比要求。最小热阻的维护结构窗墙比上限值为:北向为0.20,东西向为0.30,南向为0.35。  5、多层住宅外窗宜采用平开,宜设置活动外遮阳。  6、多层住宅的外窗及阳台门的气密性不应低于Ⅲ级,高层不应低于Ⅱ级。  7、钢结构的热桥要阻隔。主要措施有:对建筑周边的梁柱要包敷,不要外露。对外挑装饰钢框架应与内承重钢框架断开。如果是砌块填充墙,砌块要向外砌筑50㎜,将钢构件砌在墙内以便隔热。

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