Encyclopedia
Frost heave
Frost heaving - a process of ground surface uplift during freezing, associated with water crystallization within the soil, sourced from underlying horizons
Source: "RD 51-2-95. Regulation on the Implementation of Environmental Requirements for the Placement, Design, Construction and Operation of Subaqueous Crossings of Main Gas Pipelines"
(approved by Order of RAO Gazprom dated August 8, 1995)