排水砂井除排水作用外，还起到竖向加筋抗滑作用。
Packed drains also have a vertical reinforcement and anti slide effect besides the drainage.
介绍了软土路基的共性，砂垫层、塑料排水板处理方案。
The article introduces the general character of soft soil roadbed and the treatment scheme of sand cushion and plastic drain board.
建议将粗砂掺到黏重的土壤里，以提高排水性能。
It is advisable to mix coarse grit into heavy soil to improve drainage.
应用推荐