A processed soil made by mixing clay or similar with added cement or other hardening agent, or with air bubbles. Used as a landfill or backfilling material in marine environments, it forms a stable, lightweight ground.
![](https://www.fudotetra.co.jp/en/wp-content/uploads/2019/04/SGM_01.jpg)
A processed soil made by mixing clay or similar with added cement or other hardening agent, or with air bubbles. Used as a landfill or backfilling material in marine environments, it forms a stable, lightweight ground.