期刊
27TH CIPA INTERNATIONAL SYMPOSIUM: DOCUMENTING THE PAST FOR A BETTER FUTURE
卷 42-2, 期 W15, 页码 653-656出版社
INTL SOC PHOTOGRAMMETRY & REMOTE SENSING-ISPRS
DOI: 10.5194/isprs-archives-XLII-2-W15-653-2019
关键词
painting damage; wood construction; Taiwanese historical temple; indoor climate; risk assessment
类别
资金
- Bureau of Cultural Heritage, Ministry of Culture Taiwan
Most paintings were painted on the wood structure members for religion meaning and education to the prayers in the typical Taiwanese Temples. The damage of painting was induced by the micro-climate especially in the Relative humidity and Temperature various. Most typical Taiwanese temples were built by wood and brick structure with 1 open facade (semi-open space), outdoor air with different condition directly flows into indoor space to impact the material of paintings or structure members in subtropical Taiwan. When the materials absorb much damp or dry air, the volume will be expanded or shrink to damage the materials of painting layer or the basement layer. This study focuses on the damage risk assessment of painting on the wood structure members in the semi-open wooden historic temple. The test samples with painting were made by the cedar in the typical built method with wood protect oil, linen cloth, lime mortar, pigment, and surface protect oil. The test samples were put into the controlled chamber with temperature and relative humidity to test the peel off area by CNS 10757 to set up the safe range in different climate condition. The test results provide the risk assessment range in relative humidity with 55% +/- 15% and in temperature with 25 degrees C +/- 10 degrees C for safety range. The dangerous range may set +/- 10% and +/- 5 degrees C from the safety range, and the very dangerous range should be destroyed the material from the boundary of EMC (Equilibrium Moisture Content), and phase change of materials. The risk assessment by benchmark in the temperature and relative humidity for easy announcing the managers to immediately trouble shooting.
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