It exists high liquid limit of laterite soil abundantly in southwest area of Hunan Province

which weathered from carbonate rocks due to the humid and rainy climate and geological conditions. The laterite soil possesses special features

such as high natural moisture

inherent large void ratio

strong structural features; so it is difficult to meet the normative requirements of compaction degree. In order to discuss the appropriate compaction technology and put forward an embankment compaction control recommendation for laterite soil

field tests are carried out which combined with many different conditions such as moisture

loose laying depth

rolling machines and so on. The results show that the compacted effect is better when using bumping vibration rolling

controlling the laterite soil filling with 25-30 cm loosing thickness and water content beyond the optimum moisture content 2%-5%. At the same time

the compacted soil will have more stable engineering characteristics.