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Forming Process of Surface Contaminants on Ten-story Stone Pagoda of Wongaksa Temple, Seoul

서울 원각사지 십층석탑의 표면오염물 형성과정

  • Chun, Yu Gun (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Lee, Myeong Seong (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Kim, Yuri (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Lee, Sun Myung (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Lim, Bo A (Conservation Science Division, National Research Institute of Cultural Heritage)
  • 전유근 (국립문화재연구소 보존과학연구실) ;
  • 이명성 (국립문화재연구소 보존과학연구실) ;
  • 김유리 (국립문화재연구소 보존과학연구실) ;
  • 이선명 (국립문화재연구소 보존과학연구실) ;
  • 임보아 (국립문화재연구소 보존과학연구실)
  • Received : 2016.08.05
  • Accepted : 2016.09.19
  • Published : 2016.09.20

Abstract

This study was interpreted the forming process of surface contaminants on ten-story stone pagoda of Wongaksa temple, Seoul. Results of research, we estimated that black contaminants were formed by graphite stuck carbon in air pollution substance after that gypsum was generated by chemical weathering on stone pagoda. White contaminants were built by recrystallization of calcite that were made by decomposition of finishing materials and structure on the stone surface. To preserve a long-term of stone pagoda in Wongaksa temple, there were required that continuous monitoring, anticorrosion treatment and contaminants cleaning of protective facilities.

이 논문에서는 원각사지 십층석탑 표면에 발생한 오염물의 형성과정을 연구하였다. 연구결과, 흑색오염물은 석탑의 화학적인 풍화로 인해 석고가 일차적으로 형성되고 공기 중의 탄소화합물이 석탑표면에 고착되면서 생성된 흑연에 의해 발생한 것으로 판단되며, 발생시기는 1933년 이전으로 확인되었다. 백색오염물은 보호각 상부 마감재의 노후화 및 구조물의 훼손으로 발생한 방해석이 석탑표면에 재결정화 되면서 형성되었으며, 발생시기는 보호각이 설치된 1998년에서 2013년 사이에 발생한 것으로 판단된다. 원각사지 십층석탑의 장기적인 보존을 위해서는 보호각 상부에 형성된 오염물의 제거, 구조물의 방청처리 및 지속적인 모니터링이 요구된다.

Keywords

References

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