早成岩阶段的主要成岩作用是碳酸盐胶结作用以及压实作用引起的颗粒重排；
Main diagenesis of the syndiagenesis is carbonate cementation in the shallow lake sheet sands and rearrangement caused by compaction.
振荡压路机作为一种全新的路面压实机械，它利用在压实材料中产生快速交变剪应力机理使材料的颗粒重新排列而变得密实。
As a new compactor, oscillatory roller makes rearrangement of material particles in a dense way with a mechanism of rapidly alternating shear stresses.
提出颗粒型砂介质在压实过程中的两种特征：孔隙填充状态和颗粒滑动状态；
Based upon the experimental behavior of porous sand under squeezing, two types of status are defined to character the process: the filling of interval space, and the yielding slippage among sands.
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