Journal
BUILDINGS
Volume 12, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/buildings12020188
Keywords
environmental monitoring; tuff; temperature difference; stone heritage
Funding
- Conservation Science and Technology Project of Zhejiang Provincial Administration of Cultural Heritage [2021020]
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Water plays an important role in the deterioration of rocks, especially in humid areas. A study on a century-old stone house in southeastern China found that the main type of deterioration was detachment, with some areas experiencing a decrease in surface hardness of over 50%. This decay was partly caused by condensation on the inner walls of the stone house during the rainy season. It is recommended to take rainproof measures and maintain good air circulation when building with tuff in such humid environments.
Water plays an important role in the deterioration of rocks. Often, the condensation cannot be ignored in addition to the rain and seepage, especially for stone relics built with tuff in humid areas. As part of this study, a century-old stone house in southeastern China was investigated alongside the microclimate, including temperature, humidity, and rainfall in the study area. Results showed that the main types of deterioration in this house were detachment, with some areas exhibiting surface hardness decreased by more than 50%. This decay was caused in part by condensation on the inner walls of the stone house during the rainy season. According to statistics, more than two-thirds of the time the rainy season produces condensate on the inner wall, which is primarily found on the north side of the house because there is less solar radiation. Conversely, the stress caused by severe temperature differences on the south side contributes more to the deterioration of rock. Environmental conditions with high humidity and strong temperature differences will accelerate the deterioration process of tuff stone with high porosity. Consequently, it is recommended that stones built by tuff in such a humid environment take rainproof measures and maintain good air circulation to reduce the adverse effects of condensation.
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