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从能源消费结构来看,世界工业、交通与建筑用能基本上三分天下,我国建筑用能已达到全国能源消费总量的四分之一左右,且逐步增加。在所有建筑能耗中,建筑围护结构特别是外墙面的能耗所占比例较大,因而外墙保温是建筑节能的重要方式之一。2006年,发改委将建筑节能工程列入“十一五”十大重点节能工程,并在实施意见中明确指出:“新建建筑全面严格执行50%节能标准,四个直辖市和北方严寒、寒冷地区实施新建建筑节能65%的标准。”“十二五”规划纲要则提出了要积极有序地发展节能环保产业,强化节能目标责任考
From the energy consumption structure, the world’s industrial, transportation and construction energy is basically one-third of the world, China’s building energy consumption has reached about one-quarter of the national energy consumption, and gradually increased. Among all the building energy consumption, the building envelope, especially the external wall, accounts for a large proportion of the energy consumption, so the insulation of the exterior wall is one of the most important ways to save energy. In 2006, the NDRC included building energy-saving projects into the “Eleventh Five-Year” ten key energy-saving projects and pointed out clearly in the implementation opinions that: “The new buildings strictly and strictly implement the 50% energy saving standard, the four municipalities directly under the central government and the cold in the north, Cold areas to implement the new building 65% energy saving standards. ”“ Twelve Five ”plan put forward to actively and orderly development of energy-saving environmental protection industry, to enhance energy-saving target responsibility test