ENVIRONMENT CONTROL IN A BURIAL CHAMBER BY COVERING WITH AN EARTH MOUND—EVALUATION OF TEMPERATURE AND DEW CONDENSATION IN A BURIAL CHAMBER ASSOCIATED WITH THE OVERLYING TUMULUS MOUND—

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  • SAWADA Mai
    京都大学大学院 工学研究科都市社会工学専攻
  • MIMURA Mamoru
    京都大学大学院 工学研究科都市社会工学専攻

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Other Title
  • 覆土を用いた古墳石室内の環境保全－墳丘が石室の室温変化と結露に与える影響－

Abstract

 The decorated burial chambers in tumuli have been deteriorated due to temperature change and moisture movement in the burial chambers. Heat insulation of a burial chamber by covering with an earth mound is one of feasible means to control the damage. In the present paper, the temperature and dew condensation in a burial chamber was evaluated by one dimensional equation of heat conduction to investigate the influence of the thickness, degree of saturation and dry density of the mound on the chamber environment. The calculated performance suggested that the thickness of the mound has larger influence on the environment in the burial chamber than other factors. Therefore, the thickness of the mound is a key factor for designing an earth mound storing a decorated chamber which requires hydrothermal environment control for preservation. On the other hand, the degree of saturation and dry density of the earth mound with less influence on chamber environment should be decided considering the mechanical stability and water infiltration of the mound.

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