文章基本信息

标题：Cross validation of hygrothermal properties of historical Chinese blue bricks with isothermal sorption experiments
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作者：Yonghui Li ; Yan Ma ; Huarong Xie 等
期刊名称：Frontiers of Architectural Research
印刷版ISSN：2095-2635
出版年度：2021
卷号：10
期号：1
页码：164-175
DOI：10.1016/j.foar.2020.09.003
出版社：Elsevier
摘要：The historical, cultural, and social value of heritage buildings mandates special protection of these structures. Blue brick is one kind of the main construction materials of heritage buildings, which is porous material and easily subject to deterioration due to environmental factors such as humidity. Therefore, determining the dynamic moisture content rule of materials under fluctuant ambient humidity is necessary for preventative conservation. This study measured the equilibrium moisture content of eight types of Chinese blue bricks under isothermal conditions with varying humidity levels. The results show that when ambient humidity increased from 10% to 90%, the moisture sorption of historical Chinese blue bricks tripled, which is 3 times greater than that of modern Chinese blue bricks and 10 (at low humidity) to 20 times (at high humidity) greater than that of clay bricks in the international handbook. The results contribute to the improvement of the international building material database and research related to hygrothermal performance of heritage buildings in East Asia.
关键词：Heritage building ; Hygrothermal properties ; Blue brick ; Isothermal sorption curve