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Difference between foundation replacement and backfill

Foundation replacement and filling

Changing foundation means that the undisturbed foundation soil cannot meet the requirements of foundation bearing capacity after foundation pit excavation, so the original soil in the foundation pit is dug to a certain height and replaced with other high-quality materials to meet the requirements of foundation bearing capacity.

Earthwork backfill

Earthwork backfill: backfill after foundation pit or trench construction is completed.

Soil exchange method

Replacement method is also called soil replacement method. The so-called soil replacement method refers to clearing the soft soil in the subgrade, backfilling the stable soil and stone, and compacting or tamping.

Shallow foundation treatment

Compared with deep foundation treatment, shallow foundation treatment generally adopts simpler technology and construction equipment and consumes less materials.

backfill

Backfill refers to the soil that is backfilled after the foundation and other underground projects are completed in engineering construction.