PIER FOUNDATION
similar to a deck built several feet above the ground. It is supported by pillars and posts or pilings.
PILE FOUNDATION
may be: cast in place-concrete poured into ground
cased- steel pipe in ground then filled
uncased- cased concrete 'plug' placed & case removed
micropiles- small diameter drilled & reinforced
includes footing, drainage system, and a cast in place wall.
flat concrete pad poured onto ground which works well on level ground in warmer climates.
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