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冬季采暖建筑的外围护结构应具有较好的保温性能。轻质加气混凝土外围护结构除应具有大于最低限度的热阻,以满足在稳定传热条件下建筑保温的要求,不使围护结构内表面结露外,还应使其具有必要的热稳定性,以保证在非稳定传热条件下,即在供热不均的情况下,外围护结构各部位的内表面不结露和室温波动不大,以满足人体卫生、延长建筑物的使用寿命、经济合理和节约能源的要求. 本文仅就如何按稳定传热(放热均匀的连续供热)的低限热阻要求,以及按非稳定传热(间歇供热及放热不均匀的连续供热)的必需热阻要求,确定加气混凝土外墙的最低厚度提出分析意见,供建筑热工设计参考.
The external protective structure of heating buildings in winter should have good thermal insulation properties. The lightweight aerated concrete external protective structure shall have a thermal resistance greater than the minimum, so as to meet the requirements of the building thermal insulation under stable heat transfer conditions, so as not to cause condensation on the inner surface of the envelope structure, but also to make it necessary Thermal stability, to ensure that under non-steady heat transfer conditions, that is, in the case of uneven heating, the internal surfaces of the various parts of the external protective structure do not have condensation or room temperature fluctuations to meet the human health and extend the building The service life, economical efficiency and energy saving requirements of this article. This article only deals with the requirements of low heat resistance for stable heat transfer (continuous heating with uniform heat release) and non-steady heat transfer (intermittent heating and heat release are not The required thermal resistance of a uniform continuous heating requirement, the minimum thickness of the outer wall of the aerated concrete shall be analyzed and submitted for the reference of the building thermal engineering design.