对施工现场取得的碾压混凝土试样，进行层面渗流特性的室内试验研究，描述了碾压混凝土层面渗流特性随应力和渗流水头的变化规律．试验结果表明，碾压混凝土层面，在高水头的作用下，存在着发生水力劈裂的危险性 The laboratory tests on seepage properties of layered RCC samples obtained from the construction site are carried out. The variation of seepage characteristics with the stress and the seepage head of RCC is described. The test results show that there is a danger of hydraulic fracturing under the action of high head