Found 4 results for the keyword(s) ‘Ice Lenses’

  • Article

    Retaining Walls and Frost

    Hi Jon,  I have a driveway retaining wall that continues to be pushed by the ground, even though it is backed by gravel and drained to "nothing under the driveway" except crushed gravel. I realize proper drainage affects this somewhat, however would prefer not to cut open my driveway, sidewalk a...
  • Article

    Overview: Soil and the Spring Thaw

    You have all seen highway signs indicating the period of spring thaw and reduced truck loads throughout the northern US and all of Canada -- or walked across grass that is just beginning to thaw from the winter making deep footprints or tire marks that would never sink like that during a stro...
  • Article

    What temperature should a house be when you are gone for the winter?

    Jim from London, Ontario is wondering what temperature he should leave his thermostat while he migrates south for the winter. The short answer is 55 degrees F, or about 12 degrees C.That should keep the pipes from freezing, keep the humidity under control, keep the furniture from going through t...
  • Article

    WHAT IS BASEMENT FREEZE SHIFTING?

    There are two basic mechanisms which can cause a basement to move because of freezing temperatures -- ice-block formation and ad-freezing.Frost heaving: a form of ice-block formation occurs when moist soil lies under the foundation footings and the frost line or freezing-point penetration reac...
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