高频探地雷达在古城墙修复效果评价中的应用
摘要:在长期环境污染、自然因素和人为因素的共同影响和作用下，明长城得胜堡墙体结构出现了裂隙、空鼓开裂、墙体基础掏蚀、酥碱、植物根系等病害。研究利用探地雷达技术分别对得胜堡三个代表性城墙区域进行检测，探地雷达剖面图显示修缮后的城墙体状况有明显的改观，特别是经过传统逐层夯筑法修缮后的古城墙体，每层夯筑层连续性好，无明显异常，清晰可获得均匀的夯筑层厚度为0.02 m，可有效防治裂隙、空鼓、毛细现象及动植物等病害。采用土坯砖垒砌法修缮的城墙虽然在一定程度上起到了保护的作用，但由于土坯砖间连接的不密实，容易为毛细水、自然降水、动植物等提供产生裂隙、空鼓、生物等病害的条件，对于城墙的长久保存效果仍不够理想。采用探地雷达可快速了解古城墙的保存现状和修复性能，适宜开展大面积古城墙调查。
Abstract:Under the combined influence and action of long-term environmental pollution, the wall structure of Deshengbao on the Ming Great Wall has developed cracks, hollowing and cracking, erosion of the wall foundation, alkalinity, and plant root system diseases. In this research, the three representative wall areas of Deshengbao were detected by ground-penetrating radar technology. The ground penetrating radar profiles showed that the condition of the repaired city wall has improved, especially the repaired ancient city wall with the traditional technique of layer-by-layer ramming process. The continuity of each layer of the ramming layer is perfect, and the thickness of the ramming layer of 0.02 m can be obtained easily, which can effectively prevent cracks, hollowing, capillarity, plant roots, and other diseases. Although the adobe brick method may have helped preserve the city wall, the long-term preservation effect of the wall is not the best due to the uncompacted adobe brick, which is easy to provide conditions for capillary water, natural precipitation, animals, and plants to produce cracks, hollowing, plant roots, and other diseases. So the method of ground penetrating radar can quickly detect the preservation status and repair performance of the ancient city wall, which is suitable for large-scale investigation of the ancient city wall.
中文标题：
高频探地雷达在古城墙修复效果评价中的应用
Application of High-frequency Ground Penetrating Radar in the Evaluation of Ancient City Wall Restoration Effect
作者：
孟田华1,,黄丽1,张海蛟2,王浩航1,卢玉和1,姜子超1
Meng Tianhua1,,Huang Li1,Zhang Haijiao2,Wang Haohang1,Lu Yuhe1,Jiang Zichao1
作者简介:孟田华，女，1980年生，汉族，山西大同人，博士，副教授，主要从事文物保护技术研究。E-mail：mengtianhua1118@126.com
通讯地址：
1.山西大同大学，山西大同 037009 2.山西省考古研究院，山西太原 030001
1.ShanxiDatongUniversity,Datong037009,Shanxi,China 2.ArchaeologyAcademyofShanxiProvince,Taiyuan030001,Shanxi,China
中图分类号:TU195
doi:10.3969/j.issn.1007-2993.2024.02.012
出版物：岩土工程技术
收稿日期:2023-06-06
修回日期:2023-10-06
录用日期:2023-12-25
刊出日期:2024-04-11
关键词:探地雷达,无损检测,古城墙修缮,夯土城墙
Key words:ground-penetrating radar,non-destructive testing,repair of ancient city walls,rammed earth walls
文档包含图片数量：图片(8)张
文档包含表格数量：表格(1)个
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基金项目：
基金项目:国家自然科学基金（62071312）；省筹资金资助回国留学人员科研项目(2020-135）；山西省应用基础研究项目（202203021221212）；山西大同大学云冈专项（2020YGZX003, 2020YGZX004, 2020YGZX007）；山西大同大学专项（2021XSZX1）
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