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碾压混凝土抗渗性能是评定其质量的一个重要指标。我国《水工碾压席凝土施工规范》（SL53－94）中明确指出：现场钻孔压水试验是评定碾压混凝土大坝抗渗性能的一种方法。然而目前从国内外所见资料来看，尚无成熟的、特别适合于碾压混凝土的现场压水试验装置和工艺要求。文章结合江垭工程实践，介绍一套较适合碾压混凝土压水试验的有关设备和工艺方法。
Impermeability RCC is to assess the quality of an important indicator. China’s “Hydraulic RCCS concrete construction specification” (SL53-94) made it clear: on-site drilling water pressure test is to assess the RCC dam impermeability of a method. However, at present, from the information seen at home and abroad, there are no mature pressure testing devices and process requirements that are particularly suitable for RCC. Combined with the practice of Jiangya Project, this paper introduces a set of suitable equipment and process methods suitable for RCC pressure test.