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根据华南工学院对广州十种地面的测定结果,可根据表面程度大小,将十种地面分为三类: 一是(1)。这类地面的面层材料的(2),表面(3),在气温变化下,其表面温度(4)。因此,表面温度与气温间的差额比较大,导致表面容易产生冷凝。 二是(5)。此类地面的面层具有微,它们会(6),故表面不出现(7),因为产生表面结露的时间短,所以隙中吸收的水分可以在其余的时间(8),不会持续累积,这种吸湿放湿作用常称为呼吸作用。 三是(9)。这种地面的表面温度能(10),两者相差较小,故相对湿度要十分接近饱和时才可能产生少量的表面冷凝。
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