What Size Pier Do I Need
To Determine the Load of a Deck Pier, You Must Take Half the Length of the Joist Span Multiplied by Half the Length of the Beam Span (Measured from Pier to...
To determine the load of a deck pier, you must take half the length of the joist span multiplied by half the length of the beam span (measured from pier to pier). This number is then multiplied by 50, which is the 40 psf live load, 10 psf dead load mentioned earlier.
How many piers do I need for a 10x12 shed?
To give you an idea of the total, if you are constructing a 10 ft. x 12 ft. shed, and are creating 16 piers, that will cost approximately $1,000. However, the actual cost will vary if your piers need to be deeper or if you chose not to place the piers based on 4-foot spans.
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How much weight can concrete piers hold?
The number and size of the piers depends on how much weight the underlying soil can hold. The standard design load in the International Residential Code assumes a 40-pound live load; dead load is commonly calculated at between 10 and 15 pounds per square foot, depending on the materials used for construction.
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