This article bases on practice of building seepage prevention wall in secondarydam of Huangbizhuang reservoir, analyses the causes of the accident, and summarizes precautionary and treatment methods.
A series of tests with the portable dynamic penetrometer of type PANDA have been carried out, to inspect the grinding quality of the secondary ash dam.
为检测子级灰坝的碾压质量，运用一种轻便动力贯入仪对粉煤灰进行了一系列现场试验。
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The dam of Lingao Reservoir is a rolled earth dam with relative height and the secondary importance grade.