[1]李永辉,蔡宜可,谢华荣,等.温州谯楼遗址不同年代青砖等温吸湿特性比较[J].东南大学学报(自然科学版),2020,50(2):327-333.[doi:10.3969/j.issn.1001-0505.2020.02.017]
 Li Yonghui,Cai Yike,Xie Huarong,et al.Comparison of isothermal sorption properties of gray bricks in different ages in Wenzhou Qiaolou site[J].Journal of Southeast University (Natural Science Edition),2020,50(2):327-333.[doi:10.3969/j.issn.1001-0505.2020.02.017]
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温州谯楼遗址不同年代青砖等温吸湿特性比较()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
50
期数:
2020年第2期
页码:
327-333
栏目:
建筑学
出版日期:
2020-03-20

文章信息/Info

Title:
Comparison of isothermal sorption properties of gray bricks in different ages in Wenzhou Qiaolou site
作者:
李永辉12蔡宜可1谢华荣13张杰4
1东南大学建筑学院, 南京 210096; 2东南大学城市与建筑遗产保护教育部重点实验室, 南京 210096; 3京都大学工学研究科, 日本京都 6158540; 4温州市名城建设投资集团有限公司, 温州 325088
Author(s):
Li Yonghui12 Cai Yike1 Xie Huarong13 Zhang Jie4
1School of Architecture, Southeast University, Nanjing 210096, China
2Key Laboratory of Urban and Architectural Heritage Conservation of Ministry of Education, Southeast University, Nanjing 210096, China
3Graduate School of Engineering, Kyoto University, Kyoto 6158540, Japan
4Wenzhou Historic City Construction Investment Group Co., Ltd., Wenzhou 325088, China
关键词:
遗产保护 建筑物理 热湿耦合 等温吸湿曲线 青砖 温州谯楼
Keywords:
heritage conservation building physics coupling hygrothermal effect isothermal sorption curves gray bricks Wenzhou Qiaolou(China)
分类号:
TU111
DOI:
10.3969/j.issn.1001-0505.2020.02.017
摘要:
为研究不同年代青砖的等温吸湿特性差异对历史建筑中冻融、酥碱及微生物繁殖等与水分相关劣化现象的影响,使用恒温条件下配置的饱和盐水溶液控制相对湿度恒定,测定了温州谯楼遗址中分别于唐末五代、元末明初、20世纪70年代和现代生产的4类青砖的等温吸湿曲线,比较了不同年代青砖的等温吸湿特性差异.结果表明,在相对湿度为11%~97%的条件下,4类青砖平衡吸湿量的平均值变化范围分别为2.2~10.5、8.3~77.5、2.3~19.3和1.0~3.7 g/kg,其中元末明初青砖的等温吸湿能力最大,然后依次为20世纪70年代、唐末五代,现代青砖最小.在环境相对湿度变动下,元末明初青砖的含湿量波动也远大于其他3类青砖.实验结果为历史建筑砖体的热湿耦合及劣化机制研究提供了数据参考,也为中国砖构历史建筑保护工作的改进提供了更充分的依据.
Abstract:
To study the influences of the difference in isothermal sorption properties of gray bricks in different ages on water related deterioration of historical buildings, such as freezing and thawing, efflorescing and microbial reproduction, the saturated salt-water solution under isothermal conditions was used to control the relative humidity constant. The isothermal sorption curves of 4 types of gray bricks were measured produced by Wenzhou Qiaolou site(Zhejiang Province, China)in the late Tang Dynasty and Five Dynasties, the late Yuan Dynasty and early Ming Dynasty, the 1970s and the modern era. And the differences in isothermal sorption properties of bricks in different ages were compared. The results show that under the condition that the relative humidity is 11% to 97%, the average value of the equilibrium moisture content of the 4 types of gray bricks varies from 2.2 to 10.5, 8.3 to 77.5, 2.3 to 19.3, and 1.0 to 3.7 g/kg, respectively. The comparison shows that the isothermal hygroscopicity of the gray brick in the late Yuan Dynasty and early Ming Dynasty is the highest, followed by the 1970s, the late Tang Dynasty and Five Dynasties, and the lowest in the modern era. Under the changing condition of relative humidity, the fluctuation of moisture content of the gray bricks in the late Yuan Dynasty and early Ming Dynasty is much larger than that of the other three types of gray bricks. The experimental results provide reference data for studying the coupling hygrothermal effect and degradation mechanism of historical building bricks, and a more sufficient basis for the improvement of protecting historical brick building in China.

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备注/Memo

备注/Memo:
收稿日期: 2019-08-06.
作者简介: 李永辉(1981—),男, 博士,副教授, liyonghui@seu.edu.cn.
基金项目: 国家自然科学基金面上资助项目(51878140)、江苏省自然科学基金面上资助项目(BK20161424).
引用本文: 李永辉,蔡宜可,谢华荣,等.温州谯楼遗址不同年代青砖等温吸湿特性比较[J].东南大学学报(自然科学版),2020,50(2):327-333. DOI:10.3969/j.issn.1001-0505.2020.02.017.
更新日期/Last Update: 2020-03-20