Column Bases and Footing


by: tekiyash68
Page to describe design procedures of slab base for a column base



IIntroduction
 Steel columns are normally supported over concrete blocks. However, when the loads supported by these columns are large and the bearing pressure of concrete from below is insufficient to resist the loads, they may fail. Therefore, it is a normal practice to distribute the column loads to steel base plates which are placed over these concrete blocks.
IISlab Base
 When the column is subjected to only direct loads, the base can be designed by assuming a uniform bearing pressure from below. For small loads, a steel plate alone can be used to transmit the loads to the concrete pedestal. Such a base plate is called slab base and is considered to be a pinned base.
III
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