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A Lally column is a round or square thin-walled structural steel column filled with concrete, [1] and oriented vertically to provide support to beams or timbers stretching over long spans. Lally columns are an engineered component and as such must be installed exactly as the design engineer specified.
When this is done, the product is referred to as a Lally column after its inventor John Lally of Waltham, Massachusetts. (The pronunciation is often corrupted to lolly column .) For example, barriers around parking areas ( bollards ) made of HSS are often filled, to at least bumper height, with concrete.
A jack post (telepost, adjustable steel column) is a steel post used in the construction trades for temporary support of ceilings, walls and trenches ().They are designed to be able to mechanically telescope to about twice their shortest length in order to span a wide variety of spaces.
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Felix Kunze/Bravo Jesse Lally and wife Michelle Lally separated before The Valley premiered on Bravo — but the hints were there throughout the first season of the Vanderpump Rules spinoff.
Inside the structure, a single Lally column, steel basement jack, wooden column or support post may hold up the floor above in a small basement. A series of these supports may be necessary for large basements; many basements have the support columns exposed. Since warm air rises, basements are typically cooler than the rest of the house.