在公路、铁路、机场、建筑工程等地基施工和水利水电工程施工中 ,常常采用各种压实机械对地基进行反复压实 ,以增强地基的稳定性和压实度 ,减少工后沉降。羊足碾、拖式光轮压实机和振动压实机目前被广泛使用 ,其技术也臻于完善。随着社会经济和基础设施建设事业的发展 ,人们需 In highway, railway, airport, construction and other foundation construction and water conservancy and hydropower engineering construction, often using a variety of compaction machinery for repeated compaction of the foundation to enhance the stability and compaction of the foundation to reduce post-construction settlement. Sheep foot grind, trailing light wheel compactor and vibratory compactor are widely used, and its technology has also been perfect. With the development of social economy and infrastructure construction, people need it