It concludes that percolation of roller compact concrete is of self - compactness by time effect under continuous action of water head and there may exist partial darcy flow regime in roller compact concrete under high water head 认为在持续水头作用下,碾压混凝土的渗透具有时效自密性;高水头作用下的碾压混凝土可能存在偏达西流现象。