Rapid impact compaction (RIC) is a high frequency controlled energy soil compaction technique used to densify surface layers of soils (usually 5 to 7 metres).

Bi-Modulus Column (BMC) is vertical ground reinforcement element composed of a rigid inclusion topped with a compacted granular column.

Deep Soil Mixing (DSM) involves the injection of binder agents to mix with the soil and form columns to reinforce the ground.