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A Study on the Reinforcement of the Damaged Stone Surface by Dismantling of Stone Cultural Heritages - Focusing on the Experiment of a Sublimation(Reversibility) type Consolidant -

석조문화재 해체에 따른 표면 손상부분 보강방안 연구 - 승화성(가역성) 강화처리제 적용실험을 중심으로 -

  • Lee, Tae Jong (Conservation Science Center, National Research Institute of Cultural Heritage) ;
  • Oh, Hyeon Jung (Conservation Science Center, National Research Institute of Cultural Heritage) ;
  • Cho, Ha Jin (Conservation Science Center, National Research Institute of Cultural Heritage) ;
  • Kim, Sa Dug (Conservation Science Center, National Research Institute of Cultural Heritage)
  • 이태종 (국립문화재연구소 문화재보존과학센터) ;
  • 오정현 (국립문화재연구소 문화재보존과학센터) ;
  • 조하진 (국립문화재연구소 문화재보존과학센터) ;
  • 김사덕 (국립문화재연구소 문화재보존과학센터)
  • Received : 2015.10.02
  • Accepted : 2015.12.05
  • Published : 2015.12.20

Abstract

This is the result of the study on the temporary fortifier using sublimation type Consolidate is Cyclododecane to prepare plan for reinforcement of the surface part that can be damaged during the dismantling of stone cultural heritages. To supplement the disadvantages of the existing reinforcement methods using intumescent urethane foam, Cyclododecane was diluted in solvent to reinforce the surface and inside desquamation, and after dismantling the framework, it sublimated by imposing heat of about $60^{\circ}C$. Such method can guarantee the strength needed for reinforcement of the damaged surface with outstanding reversibility of Cyclododecane being entirely sublimated. But, it shows big difference of effect according to the solvent, so it shall be diluted in petroleum ether or heated in a double boiler. Therefore, considering the working conditions at the site, it seems the most appropriate to use petroleum ether double boiler heating method for injection and filling of the desquamation part and temporary reinforcement processing with Cyclododecane diluted in petroleum ether for surface spraying.

본 논문은 석조문화재 해체과정에서 발생할 수 있는 표면 손상부분 보강방안 마련을 위해 승화성 강화처리제인 시클로도데칸을 사용한 임시 강화처리제를 연구한 결과이다. 기존 발포성 우레탄 폼을 사용한 보강방법의 단점을 보완하기 위해 시클로도데칸을 용제에 희석하여 표면 및 박리 내부를 보강하여 부재를 해체한 후 $60^{\circ}C$ 내외의 열을 가해 승화시키는 처리방법에 관한 것이다. 이와 같은 방법은 시클로도데칸이 전량 승화되는 뛰어난 가역성과 손상된 표면의 보강과 강화에 필요한 강도를 담보할 수 있다는 장점이 있으나, 용제에 따라 효과가 다를 수 있으므로 본 연구에서는 석유에테르에 희석하는 방법 또는 중탕하여 적용하는 방법에 대한 연구를 진행하였다. 실험결과 현장에서의 작업여건을 고려하여 박리부분 주입 및 충전은 석유에테르 중탕 방법, 표면 도포는 석유에테르에 희석한 시클로도데칸으로 임시 강화처리하는 것이 가장 적합할 것으로 확인되었다.

Keywords

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