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Re: intermediate ties for pedestals in pre-engineered metal building

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I had same problem on a job--pre-eng bldg and an outside
engineer who commented on the bar spacing and ties.  The
Can code may be slightly different, but if the pedestal
or pier works as a compression member without reinforcing
then it is not a reinforced column and does not need to
meet the code requirements for a reinforced column. As
it will act in bending, you need to check it as a beam
and meet those requirements for tension and compression.
That is the explanation I received (at least my under-
standing) from a person who sat on our code committee.

On 11 May 2005 at 17:05, Haan, Scott M POA wrote:

> Do pedestals / pilasters in pre-engineered metal buildings have to
> meet ACI 318 compression member tie requirements?  Does a
> 30"x30" square pilaster with 12 vertical bars have to have ties spaced
> not more than 6" and every other bar tied?  I've done a review on a
> design build contract and no intermediate ties were provided.  The
> designer is arguing that the pilaster is lightly loaded and ties were
> only provided based on good engineering practice.  Your answer may
> help spend your income tax dollars more wisely.
> Thanks for your opinion.

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