| 嘉峪关典型土遗址裂缝变形气温响应特征研究 |
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| 引用本文： | 俞莉,张翔,高晓甜,陈思雨,顾鑫.嘉峪关典型土遗址裂缝变形气温响应特征研究[J].西北地震学报,2020,42(3):751-758. |
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| 作者姓名： | 俞莉 张翔 高晓甜 陈思雨 顾鑫 |
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| 作者单位： | 兰州理工大学 甘肃省土木工程防灾减灾重点实验室, 甘肃 兰州 730050;嘉峪关丝路(长城)文化研究院 文化遗产监测中心, 甘肃 嘉峪关 735100 |
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| 基金项目： | 国家自然科学基金项目（51208245，41562015）；嘉峪关夯土长城病害监测研究课题 |
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| 摘 要： | 裂隙、冲沟、掏蚀、片状剥离等是中国西北地区土遗址发育典型病害,为探求土遗址本体及其赋存环境变化的内在本质规律,开展土遗址变形监测的研究与实践至关重要。以嘉峪关土遗址烽火台裂缝1号、2号为研究对象,通过分析2016年裂缝变形和环境气温监测数据,寻找其响应关系,探索环境气温影响裂缝发育的规律;利用相关性分析、归一化处理数据,结合支持向量机(SVM)机器学习方法对裂缝发展趋势进行预测,为土遗址裂缝发育趋势研究提供理论依据。
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| 关 键 词： | 土遗址 裂缝 赋存环境 支持向量机 趋势预测 |
| 收稿时间： | 2019/1/1 0:00:00 |
Temperature Response Characteristics of Crack Deformationof Typical Earthen Sites in Jiayuguan |
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| YU Li,ZHANG Xiang,GAO Xiaotian,CHEN Siyu,GU Xin.Temperature Response Characteristics of Crack Deformationof Typical Earthen Sites in Jiayuguan[J].Northwestern Seismological Journal,2020,42(3):751-758. |
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| Authors: | YU Li ZHANG Xiang GAO Xiaotian CHEN Siyu GU Xin |
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| Institution: | Key Laboratory of Disaster Prevention and Mitigation in Civil Engineering of Gansu Province, Lanzhou University of Technology, Lanzhou 730050, Gansu, China;Cultural Heritage Monitoring Center, Jiayuguan Silk Road(Great Wall) Culture Research Institute, Jiayuguan 735100, Gansu, China |
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| Abstract: | Fractures, gullies, gouges, and stripping are typical distortions of earthen sites in Northwest China. To explore the change laws of earthen sites and their occurrence environment, it is important to theoretically and practically investigate the deformation monitoring of these sites. In this study, two cracks of the Jiayuguan earthen site are investigated. By analyzing the monitoring data of fracture deformation and environmental temperature in 2016, the response relationship between them was found, and the influence law of environmental temperature on fracture development was explored. By using correlation analysis and normalization processing data and combining the support vector machine method, the fracture development trend was predicted, thus providing a theoretical basis for studying the fracture development trend of earthen sites. |
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| Keywords: | earthen sites crack occurrence environment support vector machine trend prediction |
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