| 承德避暑山庄砂岩文物的基本性质和风化机理 |
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| 引用本文： | 邵明申,张中俭,李黎.承德避暑山庄砂岩文物的基本性质和风化机理[J].工程地质学报(英文版),2015,23(3):533-538. |
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| 作者姓名： | 邵明申 张中俭 李黎 |
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| 作者单位： | 1.中国文化遗产研究院 北京 100029; |
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| 基金项目： | 财政部基本科研业务费课题，中央高校基本科研业务费(2652013050)资助． |
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| 摘 要： | 世界文化遗产地承德避暑山庄内有大量的砂岩文物。在长期风化作用下,很多砂岩文物发生了严重的风化病害,亟须保护。通过现场调查,发现避暑山庄砂岩文物的风化病害主要为开裂、剥落、粉化、生物寄生等。通过室内测试,得出了该砂岩的矿物学、岩石学性质和物理、力学性质。在此基础上,分析了该砂岩的风化机理,认为钙质胶结物的溶解、干湿交替和盐分结晶膨胀是造成该砂岩粉化、剥落风化的主要原因。相关研究为该砂岩文物的修复保护提供科学支撑。
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| 关 键 词： | 砂岩 石质文物 风化病害 风化机理 |
| 收稿时间： | 2014-03-01 |
PROPERTIES AND DETERRIORATION MECHANISM OF SANDSTONE BLOCKS IN CHENGDE ROYAL BUILDINGS BETWEEN 1703 AND 1792 |
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| SHAO Mingshen,ZHANG Zhongjian,LI Li.PROPERTIES AND DETERRIORATION MECHANISM OF SANDSTONE BLOCKS IN CHENGDE ROYAL BUILDINGS BETWEEN 1703 AND 1792[J].Journal of Engineering Geology,2015,23(3):533-538. |
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| Authors: | SHAO Mingshen ZHANG Zhongjian LI Li |
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| Institution: | 1.Chinese Academy of Cultural Heritage, Beijing 100029;2.School of Engineering and Technology, China University of Geosciences, Beijing 100083 |
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| Abstract: | The mountain resort and its outlying temples, Chengde, located 250km northeast to Beijing, were built between 1703 and 1792. They are the Qing dynasty's royal gardens and temples. In 1994,it was listed as a World Heritage Site by UNESCO. Sandstone blocks were extensively used for the buildings. Many stone relics have been suffered from various weathering diseases including crack, scaling, disintegration, and biological invasion due to long-term weathering. In the paper, properties of mineralogy, physical and mechanical of weathered and unweathered sandstone samples are analyzed using petrographical and petrophysical methods. On this basis, deterioration mechanism is analyzed. The main causes of the sandstone weathering(main including scaling and disintegration) are dissolution calcareous cement, drying-wetting cycle and salt crystallization. The results can facilitate the choice of the most suitable conservation method. |
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| Keywords: | Sandstone Stone culture relics Weathering diseases Deterioration mechanics |
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