subgrade machine的意思|示意

When fill earth subgrade exercise part by part. The former part's gradient should be less than 1:5. Slope surface must be flat, so that, the construction machine can move from top to bottom.

填土路基分段作业时，先施工路段端部必须留不陡于1：5的坡面，坡面必须整平压实，以便施工机械上下及下段路基施工时开台阶。

Abstract: : the article mainly to the high speed hydraulic ramming machine in the practice of the highway subgrade engineering are discussed in this paper.

摘要：文章主要对高速液压夯实机在高速公路路基工程中的实践进行了探讨。