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多年服役后的海塘已逐步暴露出一些安全问题,需要在查明其隐患的基础上实施注浆等防渗加固工程措施。针对某标准海堤的渗漏和注浆加固历史及以往勘察和探测情况,结合探地雷达、瑞雷波和地震映像等物理方法特点,分析了隐患探测及注浆效果检测的技术可行性,并实际开展了多种方法探测及资料综合解释工作。探测试验研究表明,采用基于不同物理场特征观测和分析的综合探测技术,不但可以查明海塘分层结构及内部不均匀等可能隐患的分布和性质,还可以通过浆液影响情况及注浆前后探测图像对比分析判断注浆效果。
After years of service, the seawall has gradually exposed some safety issues and needs to implement measures for seepage control and reinforcement such as grouting on the basis of identifying its hidden dangers. Aiming at the leakage and grouting reinforcement history of a standard sea wall and the previous surveys and surveys, combining the physical characteristics of ground penetrating radar, Rayleigh waves and seismic images, the technical feasibility of detecting hidden danger and grouting effect was analyzed. And actually carried out a variety of methods to detect and data comprehensive interpretation. Probing and testing studies show that the comprehensive detection technology based on the observation and analysis of different physical field characteristics can not only identify the distribution and properties of possible hidden faults such as the stratified structure and internal unevenness of the seawall, but also detect the influence of the slurry and the detection before and after grouting Image contrast analysis to determine the grouting effect.