Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Changes in the Characteristic of Traditional Lime Reproduction Specimens by adding Perilla Oil

들기름 첨가에 따른 전통석회 재현시편의 특성 변화

  • Kang, San-Ha (Restoration Technology Division, National Research Institute of Cultural Heritage) ;
  • Kang, So-Yeong (Restoration Technology Division, National Research Institute of Cultural Heritage)
  • 강산하 (국립문화재연구소 복원기술연구실) ;
  • 강소영 (국립문화재연구소 복원기술연구실)
  • Received : 2021.10.24
  • Accepted : 2022.05.09
  • Published : 2022.05.30
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Abstract

With the introduction of modern materials, such as cement and concrete, the use of traditional lime(aerial lime) have decreased. Traditional lime manufacturing and its construction methods have been cut off in Korea. However, modern materials being used at the site of repair and restoration of cultural heritages, not only heterogeneity but also secondary damage is induced. Therefore this study aims to reproduce traditional lime with added perilla oil to confirm the possibility of improving the performance of traditional lime through the characteristics of aerial lime. Aerial lime plaster specimen containing perilla oil was prepared by securing evidence from the ancient literature, and its characteristics were investigated. The addition of perilla oil revealed that the advanced workability of the flow value declined. However, only a small amount of perilla oil gave discoloration to the aerial lime specimen. It is necessary to control the amount of perilla oil used when it is applied to the conservation and restoration of historical sites. Through the neutralization test and the 𝜇-CT analysis image that carbonation of aerial lime was delayed due to the addition of perilla oil. Additionally perilla oil imparted water resistance. Since freezing-thawing of water is the main cause of damage to aerial lime materials, the performance improvement of aerial lime can be expected by adding perilla oil.

Keywords

Acknowledgement

이 연구는 국립문화재연구소 문화유산조사연구(R&D)의 일환으로 진행되었으며, 𝜇-CT 데이터 가공에 도움을 주신 원광대학교 LINC+사업단 공공기기센터 오화숙 선생님께 감사드린다.

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