KNOW-HOW

Compaction that goes really deep

Vibration

Vibration is the conventional method of dynamic compaction. It causes the surface to vibrate so that the aggregate particles are prompted to re-arrange to a denser position.

Vertical action of forces

Vibration compaction causes the material to be compacted to vibrate by inducing vertical forces into the ground in rapid succession. The asphalt is compacted as many times as is necessary to achieve sufficient packing density.

High compaction performance

Vibration rollers from Hamm are fitted with a circular exciter inside the roller drum. The circular exciter rotates at high speed, causing the drum to vibrate and, in a sense, bounce on the asphalt pavement. This leads to vertical compaction forces being induced into the ground, which results in high compaction performance with great depth impact in the material to be compacted.

Adapting to application requirements

A circular exciter allows the amplitude to be adapted in increments, whereas the compaction frequency is infinitely variable, enabling the compaction parameters to be fully adjusted to the material to be compacted.