This paper also presents some new opinions on the use of sandcushion.
本文还对砂垫层的作用提出了新的看法。
2
The article introduces the general character of soft soil roadbed and the treatment scheme of sandcushion and plastic drain board.
介绍了软土路基的共性,砂垫层、塑料排水板处理方案。
3
Tank foundation construction with hot mixed asphalt sandcushion in winter is so affected by weather, environment and temperature that it can not meet design requirement.