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东莞大堤局部堤段地质隐患形成机理及除险加固方案分析

Study on Formation Mechanism of Potential Hazards and Reinforcement Engineering of Dongguan Embankment

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针对东莞大堤莞城段现状存在的二级平台沉降问题,通过地质勘察和地质雷达对堤坝进行探测,从地质雷达时间剖面图像上发现堤身土层存在异常点77处,埋深分布在0.5~5.5 m之间,经数据处理和图像解释确定隐患位置和类型,结合室内外试验结果综合分析沉降形成机理,提出了采用高压旋喷桩灌浆的加固方案.
Based on geological investigation and ground penetrating radar were conducted to detect the secondary platform along the Guancheng section of the Dongguan embankment,which identified 77 anomaly points within the dam,with depths ranging from 0.5 to 5.5 m.Data processing and image interpretation helped pinpoint potential hazards,then the location and type of the hazard were determined.The formation mechanism of the settlement was comprehensively analyzed by combining the results of indoor and outdoor tests and the reinforcement scheme of high-pressure rotary jet pile is proposed.

embankmentground penetrating radarsettlementpotential hazardreinforcement

樊姝芳、刁育忠、侯文哲

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东莞市水务技术中心,广东 东莞 523000

东莞市大堤管理处,广东 东莞 523000

广东开放大学 工程技术学院,广州 510000

堤防 地质雷达 沉降 隐患 加固

2025

广东水利水电
广东省水利水电科学研究院

广东水利水电

影响因子:0.309
ISSN:1008-0112
年,卷(期):2025.(1)