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0241 Effects of Adfreezing - Structure Structural Foundation - Problems
 
0241 Effects of Adfreezing - Structure Structural Foundation - Problems -

Image Text: Ice lenses adhere to foundation wall, lifting top portion of foundation and house above > ice lenses > frost line > ice lenses expand over time (expanding the soil with them) this is particularly common in silty soils > horizontal crack develops (often with top portion of foundation wall kicking inwards) > the crack tends to open in winter and partially close in summer > frost line

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