Two situations where frost heaving is very unlikely

Structure · Description · printed page 32 (PDF page 33)

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Book index entries

Frost Heaving – Unlikely Heaving – Frost – Unlikely Footings – and Foundations Foundation – and Footing

Text in the illustration

bedrock
gravel or course sand (free-draining)

Generated explanation

The illustration shows two houses supported on foundation piers with different bearing conditions. On the left, the piers extend to an irregular bedrock surface. On the right, piers with widened footings bear in gravel or sand labeled as free-draining. Both conditions are presented as situations where frost heaving is very unlikely.

Components

foundation piers footings house superstructure exterior steps bearing ground

Materials

concrete bedrock gravel sand