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地下人工掏砂洞的无规律、安全性差,对南水北调工程的建设及安全运行影响极大。介绍人工掏砂洞的形成、结构及分布进行调查分析,并提出了处理措施,对南水北调工程的建设及安全运行有一定的意义。
Underground artificial sand tunnel irregularities, poor security, the South-to-North Water Diversion Project construction and safe operation of a great impact. This paper introduces the formation, structure and distribution of artificial sand tunnel, and puts forward the measures to deal with it. It has certain significance to the construction and safe operation of the South-to-North Water Diversion Project.