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在防渗墙质量无损检测工作中,应用CSAMT法开展检测工作取得了较好的效果,也引起较多同行的质疑。本文针对长江堤防隐蔽工程质量无损检测工作中的实际问题,设计两种实际情况的理论模型,详细描述了模型网格剖分的原则,通过三维模拟计算说明CSAMT法开展堤防隐蔽工程(防渗墙)质量无损检测工作的可行性。简要介绍了“K”剖面法的基本原理,并通过对三维模拟数据的处理说明应用“-K”剖面法对CSAMT法反演数据进行再处理的正确性和必要性。
In the impermeable wall quality non-destructive testing, the application of CSAMT method to carry out testing has achieved good results, but also caused more questions. According to the practical problems in the non-destructive inspection of the hidden works of the Yangtze River dike, this paper designs two theoretical models of the actual situation, describes the principle of the model meshing in detail, and illustrates the CSAMT method for embankment concealment Feasibility of quality nondestructive testing. The basic principle of the “K” profile method is briefly introduced. The correctness and necessity of reprocessing the CSAMT method data by applying the “-K” profile method through the processing of the three-dimensional simulation data are described.