Soil Conditions – March 2014

Most of the soil in the Midwest is Expansive Soil or Clay. Clay soil has the potential to shrink or swell and creates difficult performance problems for buildings constructed on this type soil. As the soil water content increases, the soil swells and heaves upward. As the soil water content decreases, the soil shrinks and the ground surface recedes and pulls away from the foundation. These problems are of particular concern in homes with shallow foundations.

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