The reconstruction of old roadbed is an important link in road maintenance and repair,and dynamic compaction,as a common construction technology,has the characteristics of fast,efficient and economical,and has been widely used in the reconstruction of old roadbed.The purpose is to study the application technology of dynamic compaction in the reconstruction of old roadbed,including the construction principle,construction technology and the selection of construction parameters.Based on the literature review and field investigation,the problems existing in the reconstruction of old roadbed by dynamic compaction method are summarized,and the corresponding solutions are put forward.Based on a highway subgrade construction,this study verifies the feasibility and effectiveness of dynamic compaction method in the reconstruction of old subgrade through comparative test and engineering example analysis.In order to provide guidance for similar projects.
关键词
旧路基改造/强夯法/压实度
Key words
old roadbed renovation/dynamic compaction method/compaction degree
维普
万方数据