Much of a buried tank's support is derived from what material?

The support for a buried tank largely comes from compacted backfill, which is the soil or material placed around and above the tank after it has been installed in the excavation. This compacted backfill provides crucial stabilization and load distribution for the tank, helping it withstand external pressures, such as soil weight and hydrostatic forces from groundwater. Proper compaction is essential to prevent shifting or settling, which could lead to structural failure or leakage.

By ensuring that the backfill is compacted adequately, the buried tank is properly supported to minimize the risk of deformation or damage over time. The integrity and longevity of the tank depend significantly on how well the backfill material is laid and compacted during installation. This understanding of backfill properties and application is key in the design and maintenance of underground storage tanks.