trademark A tubular steel column filled with concrete and used as a supporting member in a building.
More example sentences
- Normally three season porches are built on Lally columns or wood posts that sit on top of footings.
- It was contended that an outside expert was called in, following which steel plates were welded to the sides of the Lally columns and an additional wall was installed to retain the shifting wall.
- Settlement cracks in a concrete floor around a supporting Lally column might be indicative of a serious problem such as building settlement if the columns are settling.