寒冷地区混合钢结构住宅节能检测与分析

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为了评价寒冷地区混合钢结构住宅的节能性能,通过对该地区典型钢结构住宅的调研,选取一幢具有代表性的混合钢结构住宅进行现场节能检测,根据实测数据计算围护结构传热系数和实际能耗,分析能耗影响因素、评价主要耗能部位的节能效果,检测结果表明:典型建筑仅达到节能50%,不满足现阶段节能65%的要求;混合结构中钢框架部分形成的热桥对整体热工性能产生较大影响;混合钢结构建筑常用的蒸压轻质混凝土墙板存在明显的热工缺陷。针对存在问题,提出相关热工设计建议。
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