Abstract: This paper analyses characteristics of coarse grained soil and its compacting character, and points out that equivalent is important during compacting factor assessment of embankment filled with coarse grained soil, as well as indicates right indexes and proper methods of assessment of compacting factor that we should select.

Key words: coarse grained soil, compacting factor, equivalent, methods of assessment

摘要： 分析粗粒土及其压实特点,指出在粗粒土路基压实度的评定过程中对等性的重要性,合适的指标取值和评定方法 .

关键词: 粗粒土, 压实度, 对等性, 评定方法