Foundation Types
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Terms
- Grade Beam - [1]
- Spread footing - 'inverted T' actually holds the pressure on the soil. Grade beam functions like a beam - spanning 2 deep piles, not relying on soil underneath for support. [2]
- Grade beams connect column foundations together - [3]
Design
- Grade beam is min 8" wide, and depth is the length of span it supports [4]
- Compared to typical foundation, uses less concrete.