Skip to content
paysagement

frost heave

In French: soulèvement par le gel

Definition

Swelling of the ground when the water in it freezes into ice lenses. Wet fine soil (silt, clay) under a base that is too thin lifts the paving unevenly, then lets it drop at thaw.

Also called

  • frost jacking

Other names in French

  • soulèvement gélival

Sources

  1. The maker puts clay or silt soils in the thickest-base column and advises a geotechnical professional for soils very prone to frost. (p. 64)

    Guide d'installation, Pavés · Techo-Bloc