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When the height of member is less than 3times the least lateral dimensions of column it is termed as pedestal whereas when the value is greater than 3times least lateral dimension it is termed as column.
For Pedestals (whose effective length is less than three times the least lateral dimension) the minimum reinforcement is specified as 0.15 percent cross sectional area of concrete.
In Classical architecture, the Pedestal isa support or base for a column commonly used in a statue, vase, or obelisk.
The shape of pedestal :
The name is assigned to the vertical members that separate the sections of a balustrade.
A single pedestal may additionally support a group of columns or colonnade.
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Pedestal is a compression member who has the length to least lateral dimension ratio is less than 3.
It is used at where column load is very high, and we required more depth of footing around column edge to transfer the load and prevent failure of footing, at the time, we provide a pedestal to transfer load safely from column to footing.
Pedestal is usually used in steel structure where the column load is very high.
