高松塚古墳壁画の被災要因の調査と石室解体に向けた工学的貢献

概要

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The mural paintings of Takamatsuzuka Tumulus have seriously been damaged by various fungi appearing on the lime plaster wall of the chamber stones. It is very urgent to find the relevant measures to restore and conserve them. Based on the discussion among the specialists from various majors, the Takamatsuzuka Tumulus has been determined to be dismantled and the mural paintings are repaired in the conservation room under the control of temperature and humidity. Geotechnical investigation was carried out to evaluate the reasons of this damage. A series of laboratory tests was conducted on undisturbed samples obtained from the Tumulus mound. In-situ tests were also carried out to know the physical and mechanical properties of the Tumulus mound for stability analysis during excavation of the mound and dismantling of the chamber stones. In the present paper, reasons and countermeasures for conservation of the mural paintings of Takamatsuzuka Tumulus are reported. How the procedures from engineering can contribute this national project is also discussed from the viewpoint of countermeasure for geotechnical disasters.
2008-11-29