DAMAGE CLASSIFICATION TO HISTORICAL WOODEN STRUCTURES: A PRELIMINARY SURVEY AND RECOMMENDATION FOR DONG MINORITY DRUM TOWERS

Wang, S.

Wood as a common construction material in historical buildings, material characteristics and environmental condition is always the main causes to degradation. Dong minority Drum Tower is one of the essential parts of Chinese wooden structural heritage. However, Drum Towers are, at present, in a poor state of conservation, especially suffering from fire risks, biological attacks, mechanical failures and bad interventions.

This paper aims to record the observed damage through a classification approach that poses negative impact on the aesthetics and stability of Drum Towers. Firstly, based on the definition and term in relevant standards, a clear and structured damage classification on historical wooden structures is concluded according to the different hazard grades and causes, which are alteration, defect, deterioration and mechanical failure. Secondly, the characteristics of each damage in Drum Towers are revealed through the field survey and classification. At last, the actual condition is presented through a case study of Zengying Drum Tower. Subsequently, a multi-risks prevention in the Drum Tower is discussed, recommendations are proposed with the purpose of controlling the most fatal risks, ranging from insects and fungi risks with operable acceptance by local people and authorities.

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Wang, S.: DAMAGE CLASSIFICATION TO HISTORICAL WOODEN STRUCTURES: A PRELIMINARY SURVEY AND RECOMMENDATION FOR DONG MINORITY DRUM TOWERS. 2021. Copernicus Publications.

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Rechteinhaber: S. Wang

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