EFFECTS OF EXCAVATION AND EMERGENCY PRESERVATION MEASURES AFTER EXCAVATION ON HYGROTHERMAL BEHAVIOR IN STONE CHAMBER OF TAKAMATSUZUKA TUMULUS

DOI Web Site 5 References
  • LI Yonghui
    Doctoral Student, Graduate School of Engineering, Kyoto University
  • OGURA Daisuke
    Assistant Prof., Graduate School of Engineering, Kyoto University, Dr. Eng.
  • HOKOI Shuichi
    Prof., Graduate School of Engineering, Kyoto University, Dr. Eng
  • ISHIZAKI Takeshi
    Director, National Research Institute for Cultural Properties, Tokyo, Dr. Sci.

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Other Title
  • 高松塚古墳の発掘前後の石室内温湿度環境変化と応急保存対策の効果の解析
  • タカマツズカ コフン ノ ハックツ ゼンゴ ノ セキシツナイオン シツド カンキョウ ヘンカ ト オウキュウ ホゾン タイサク ノ コウカ ノ カイセキ

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Abstract

In this study, based on the measurement data and the records of Takamatsuzuka Tumulus in the past, the effects of excavation and preservation measures after the excavation on hygrothermal behavior in the stone chamber of Takamatsuzuka tumulus are analyzed by means of numerical simulation. The obtained main results are shown as follows:<br>1. Before the excavation, the annual amplitude of temperature in the stone chamber is small and relative humidity keeps nearly 100% throughout the year, and there are few dryness and condensation occur on the inside surface of the stone chamber.<br>2. After the excavation, if there are no any preservation measures taken, the temperature in the stone chamber rises to 22°C in summer, and there are obviously durative dryness and condensation on the inside surface of the stone chamber.<br>3. The method by covering the exposed surface of the stone chamber with certain thickness of soil is more effective on restraining the temperature rise in the stone chamber and dryness on the inside surface. However, there are no finer effects on restraining condensation both on the north wall and nearby floor in summer.

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