ABSTRACT

High-frequency vibratory hammer compaction technology is seldom applied as a new foundation compaction technology. In this paper, through the land test, the key parameters of the vibration compaction process, such as layer thickness, excitation force, vibration time, compaction rate, etc., as well as the base stress generated by the vibration compaction, are studied. Moreover, the impact on the DCM foundation is evaluated. It provides the basis and technical support for the ramming construction of the underwater rubble-mound foundation of a project in Hong Kong. It can also provide a reference for similar projects.