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目前世界上各工业发达国家,对节能工作都给予了高度的重视。据有关资料报道,在各国的能耗中,建筑能耗占了较大的比重,某些工业发达国家的建筑能耗约占总耗能量的30％以上。我国的建筑能耗尚无可靠统计数字,粗略估计不会少于总能耗量的1/4～1/5。因此,建筑节能是全国节能的很重要组成部分。为降低建筑物的热耗指标,可以做许多方面的工作,如从总体设计上,选择最佳的平面、立而布置形式等。但改进外围护结构,增加其保温性能亦是很重要的一项工作。而且从长远来
At present, industrialized countries in the world have given high priority to energy conservation. According to relevant data, in the energy consumption of various countries, the building energy consumption accounts for a large proportion, and the energy consumption of buildings in some industrialized countries accounts for more than 30% of the total energy consumption. There is no reliable statistics on the energy consumption of buildings in our country. The rough estimate will not be less than 1/4 to 1/5 of the total energy consumption. Therefore, building energy efficiency is a very important part of the national energy conservation. In order to reduce the heat consumption index of the building, many aspects of the work can be done, such as choosing the best plane, layout and layout from the overall design. However, improving the external protective structure and increasing its thermal insulation performance is also an important task. And in the long run