Backfilling is the process of putting soil back inside a trench or in a foundation when the excavation has been completed. The backfill process requires skills and knowledge on the specifications, contract requirements and understanding soil conditions. Backfilling is used in tasks such as protecting foundations, landscaping, or filling in voids in underground structures. Every soil has unique characteristics requiring different construction techniques to ensure optimum performance.
Impact loading of the pipeline, shafts, structures, and appurtenances must be avoided during the placement of backfill. We use the following Backfilling techniques -