建築構造体内通気層の透湿性能の測定 : 通気層による構造体の防湿効果に関する研究その1

概要

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Difussion of moisture through air layers with opened edges in buiding walls has been studied using two kinds of test methods. Diffussion rate of moisture through air layers with opened edges is represented by equivalent vapor transmission coefficient. Consideration have been given to moisture distribution in the air layers with opened edges. The results are shown that these test methods and the diffussion rate of moisture through air layers with opened edges are satisfactory. The experimental results indicate that the air layers with opened edges of thickness not less than 2cm have enough the effect of removal moisture when the height of the air layers with opened edges is 1.8m. These test methods can be applied to the methods for water vapor permeance of the actual size walls. The agreement between the measured and calculated value is good when diffusion of moisture in the air layers with opened edges is calculated using MAC method.
社団法人日本建築学会の論文
1987-06-30