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海塘是浦东新区防御台风、高潮侵袭的第一道屏障,也是保障浦东新区经济建设和安全投资环境保卫新区人民生命财产安全的重要水利设施。应用地质雷达技术探测、查明堤防隐患(空洞、裂缝等),可为堤防工程隐患的防治提供准确资料,为海塘的日常维护提供有效的技术方法。本文从浦东新区海塘的地质条件和结构特征分析了应用无损探测技术检测海塘隐患的必要性;阐述了探地雷达技术原理和实际应用效果。
The seawall is the first barrier against the typhoon or climax in Pudong New Area and is also an important water conservancy facility that ensures the economic construction and safe investment environment in Pudong New Area to safeguard the lives and property of people in Pudong New Area. The application of GPR technology to detect and identify hidden embankments (holes, cracks, etc.) can provide accurate information for the prevention and control of hidden dangers in embankment projects and provide effective technical methods for the routine maintenance of seawalls. In this paper, the necessity of detecting hidden dangers of seawall with nondestructive detection technique is analyzed based on the geological conditions and structural features of the seawall in Pudong New Area. The principle of ground penetrating radar technology and its practical application effect are expounded.