标准号:ISO 10211-2-2001
实施状态:作废
中文名称:建筑结构热桥 热流和表面温度 第2部分:线性热桥
英文名称:Thermal bridges in building construction - Calculation of heat flows and surface temperatures - Part 2: Linear thermal bridges
发布日期:2001-03
被替代标准:ISO 10211-2007
代替标准:ISO/FDIS 10211-2-1999
采用标准:DIN 4108-5-1981,IDT;DIN EN ISO 10211-2-2001,IDT;BS EN ISO 10211-2-2001,IDT;EN ISO 10211-2-2001,IDT;NF P50-732-2-2002,IDT;SN EN ISO 10211-2-2001,IDT;OENORM EN ISO 10211-2-2001,IDT;UNE-EN ISO 10211-2-2002,IDT
起草单位:ISO/TC 163
标准简介:This part 2 of the standard gives the specifications for a two-dimensional geometrical model of a linear thermal bridge for the numerical calculation of:
- the linear thermal transmittance of the linear thermal bridge;
- the lower limit of the minimum surface temperatures.
These specifications include the geometrical boundaries and subdivisions of the model, the thermal boundary conditions and the thermal values and relationships to be used.
The standard is based upon the following assumptions:
- steady-state conditions apply;
- all physical properties are independent of temperature;
- there are no heat sources within the building element;
- only one internal thermal environment applies;
- one or two external thermal environments apply.
A second external thermal environment only applies when surface temperatures are calculated and the soil is a part of the geometrical model. In that case the temperature at the horizontal cut-off plane in the soil is the second external thermal environment.
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文件页数:22
(以上信息更新时间为:2019-11-23)
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