<P> In areas subject to freezing and thawing , frost heaving can damage a pavement and create openings for water to enter . In the Spring , thaw of pavements accelerates this process when the thawing of upper portions of the soil structure in a pavement can not drain past still - frozen lower layers , thus saturating the supporting soil and weakening it . </P>
<P> In areas subject to freezing and thawing , frost heaving can damage a pavement and create openings for water to enter . In the Spring , thaw of pavements accelerates this process when the thawing of upper portions of the soil structure in a pavement can not drain past still - frozen lower layers , thus saturating the supporting soil and weakening it . </P>
in cold climates pot holes in the spring are most often caused by
in cold climates pot holes in the spring are most often caused by
frost heaving
frost heaving