![COLUMN BUILT UP 1 COLUMN BUILT UP](https://excel.civilmdc.com/wp-content/uploads/2021/10/COLUMN-BUILT-UP.png)
Mechanically laminated built-up columns are formed by fastening two or more members with bolts, nails or screws. If built-up members have spacer blocks between the members, they create a spaced column. The design of built-up columns is different from the design of solid columns.