Study on Vibration Compaction Energy of Basement Material

Abstract

In order to confirm the vibrate compaction energy, the indoor vibration compaction was conducted. Indoor vibration compactor was used to compact skeleton dense cement stabilized aggregate. The acceleration and displacement of the indenter and compaction pressure during the compaction process were measured. The bounce model and the hysteresis curve based on measurement parameters were used to calculate the compaction energy. Three vibration compaction energy were affirmed as: energy of the machinery itself (Eself), energy transmitted from machinery to compacted material (Et) and energy stored by compacted materials (Es). The energy Eself was about 40 J (joule). During each compaction process, energy Et was only 1–1.8 J. In a one-minute compaction process, 2500 J of energy would be transmitted, but only 38 J could be stored by the compacted material.