frost heave


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frost heave

The raising of a soil surface due to the accumulation of ice in the underlying soil.
References in periodicals archive ?
Frost heave results from ice forming beneath the surface of soil during freezing conditions in the atmosphere.
As impressive as frost heave can be, as far as buildings go, who cares about how high frost heave can go if the direction of heave is upwards?
It appears that quite large initial settlements before freezing, and there is frost heave deformation of 4mm when the temperature descends, but the total settlement is 3-4mm at last.
Once frost heave has thus corralled the stones into clusters, it squeezes those clusters into piles or mounded stripes, says Kessler.
These aggregates are becoming more common in road and bridge construction because they are easy to place, require simple quality assurance testing, and have the advantages of very low fine particle content, lighter unit weight, free-draining characteristics, and low frost heave potential.
The permit would address how the engineers and metallurgists will outfox thaw settlement and frost heave and the extraordinary strain these can place on the pipe.
Mulching perennials helps guard them against frost heave in spring and protects roots against dangerous winter temperatures.
Make sure the posts aren't dislocated by frost heave and the beams and joists are in good shape.
If you have a traditional multipost corner in heavy clay soil that pushes the posts up due to frost heave, install an earth anchor as additional support.
The WrapidSeal system conforms to irregular shaped structures, withstands soil stress, lateral shear, frost heave and live loads of traffic to control groundwater infiltration at joints and reduces treatment costs at the wastewater treatment plant.
Look for: frost heave, where frost has caused the soil to lift, and tread it down firmly; windrock, leaving roses and other shrubs with a cone-shaped hole round the base of the stem which should be filled with soil and firmed; and broken ties on climbers and tree stakes.