Post and Pad

by Edwin S. Clarke, P.E., (F.ASCE),

Part of: Permafrost Foundation: State of the Practice


As the name implies, this type of foundation consists of a concrete or wood pad placed on or buried in the ground. It is the lowest priced option for buildings on frozen silt, which may contain massive ice. A column of steel, wood, or concrete is used to support the structure. The house is supported on a system of rigid beams, which prevent undue racking of the house during settlement or re-leveling. The columns provide a free air space under the house, which prevents melting of these frozen soils. Frequently, the owners will place decorative screening around the lower portion of the dwelling.

Subject Headings: Frozen soils | Residential buildings | Wood structures | Steel structures | Steel columns | Wood and wood products | Support structures


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