GB 50264 绝热材料的伸长、收缩量

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依据：GB 50264-2013		绝热材料的伸长收缩量




	名称	单位	公式/来源	值
1	输入
2	常温长度，L	m		5.4
3	环境温度，T_a	℃		20
4	绝热层内表面温度，T₀	℃		-30
5	绝热层外表面温度，T_s	℃		0
6	线膨胀系数，α_L0	1/℃		0.0000012
7	结果
8	伸长/收缩量，ΔL₀	mm	6.2.12-2	-0.2268

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