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《Dunhuang Research》 2013-01
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Application of Non-destructive Testing Analysis Technology in Surveying Salt Distribution in a Buddhist Temple at Beiting

YANG Shanlong1,2,3 GUO Qinglin1,2,3 WANG Xudong1,2,3(1.National Research Center for Conservation of Ancient Wall Paintings,Dunhuang,Gansu 736200;2.Key Scientific Research Base of Conservation for Ancient Murals of SACH,Dunhuang,Gansu 736200;3.Conservation Institute,Dunhuang Academy,Dunhuang,Gansu 736200)  
The Buddhist temple site at the ancient city of Beiting,dating to the Khoco Uighur period,is located in Jimsar County in Xinjiang.There are various kinds of deterioration in the relics,such as the slipping of adobe structure,partial collapse,severe weathering of the surface and salt damage.The changes and development of salt damage further exacerbated the extension of both partial collapse and surface weathering.This paper presents a study on the law of salt distribution by measuring samples with the technology of a high-density resistivity instrument and infrared thermal imager.The results show that salts are mainly distributed at the bottom of the walls,and the proportion of salts diminishes gradually from the bottom to top in the wall.The application of the high-density resistivity instrument and infrared thermal imager in earthen sites plays an important role in the in-vestigation of earthen sites and non-destructive testing analysis.
【Fund】: 敦煌研究院院级课题资助项目(201012)
【CateGory Index】: TU-87
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