Deterioration mechanisms of building materials of Jiaohe ruins in China
Material type: ArticleDescription: 7 pISBN:- 1296-2074
Item type | Current library | Call number | Status | Notes | Date due | Barcode |
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Article de revista | Biblioteca de l' Escola Superior Conservació i Restauració de Bens Culturals de Catalunya | Journal of Cultural Heritage 3 (Browse shelf(Opens below)) | Available | R: 2986 | Art-92 |
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Almost all defects of earthen buildings such as roughening, erosion, volume reduction, cracking as well as crazing, etc., have been witnessed in the ancient city of Jiaohe, an earthen architectural heritage in northwest China. In this paper, theis long-term durability and deterioration due to prolonged exposure to environmental factors were studied, bases on the basis of field investigation and laboratory analysis. The results indicated that the deterioration of building materials should be attributed to their basic propierties, including density, particle size distribution, soluble salts, mineral, mechanical strength, etc., and interaction with environmental factors. And then, four main deterioration modes can be identified, namely: wind-related deterioration, water-related deterioration, temperature-related deterioration and chemical related deterioration. It can be concluded thet the greatest deterioration was wind-related deterioration on west-north facing façades, and chemical related deterioration on the surface of building materials.
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