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RE: gap below base plates

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I had the same problem on a project where grout plates were used.  We had
them dam the perimeter of the base plate, provide ports, and inject epoxy.

Harold O. Sprague

> -----Original Message-----
> From:	Ken Peoples [SMTP:kspeoples(--nospam--at)]
> Sent:	Thursday, February 14, 2002 6:41 AM
> To:	Seaint
> Subject:	gap below base plates
> We have a situation that I haven't seen before.  I don't know the details
> of how or when the grout was installed under the building column base
> plates (I will find that out though), but the grout is not in contact with
> the bottom of base plate in some areas.  The space is small - maybe 1/16"
> and less, but I don't think this is acceptable (please correct me if I am
> wrong).
> Two possible causes that I can think of are:
> 1. Installing the grout before all of the steel was erected (so the column
> plumbness was changed after the grout was installed)
> 2. Grout is not shrinkage resistant
> I know that the cause needs to be found out before the fix is implemented,
> but I would like to know what fixes are available.
> I was thinking that there would  be a way to seal around the edge of the
> opening and inject an epoxy grout into the gap, but I have never done this
> or seen it done.  Any of you have experience with such a method?  I plan
> to contact a grout mfr. - such as 5 Star grout, but I wanted to check with
> you designers and get your thoughts first.
> As always, thanks in advance,
> Ken
> Kenneth S. Peoples, P. E.
> Lehigh Valley Technical Associates
> 1584 Weaversville Road
> Northampton, PA 18067-9039
> Phone: (610) 262-6345
> Fax: (610) 262-8188
> e-mail: kpeoples(--nospam--at) <mailto:kpeoples(--nospam--at)>

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