Paul:
Yes, grout is a very important part of a machine installation. So many things
to consider - forces, changes in temperature of the machine (my area is
installing BIG gas engines for pipeline gas compression), getting the stuff in
place and keeping it there while it sets up... could tell a couple of horror
stories. Had one unit we were asked to inspect, grout was breaking loose from
the concrete block. They hadn't bothered to chip back the concrete, and it
appeared to have been over-vibrated, had a lot of "bloom" on the surface.
Needless to say, the grout didn't stick too well - unit had never been started,
and needed to be taken out and the grout job done properly.
But, in my area, one of the best sources is Robert Rowan Co. (TOTALLY unsolicited plug). They do both the grout and anchor bolt systems.
George McKinney
<a href="http://www.pipingdesign.com/pumps.html">http://www.pipingdesign.com/pumps.html</a>
Machinery Grouting
M&M Precision Grouting
<<Grout has to be used in conjunction with a properly torqued anchor
bolt system when both static and dynamic loading is involved, such as
with compressors, turbines, pumps, gear boxes and most heavy industrial
machines. It takes both good grout and good bolts to properly hold the
modern machines industry uses today.>>
This reminded me of the old "Top of Concrete" vs. "Underside of
Baseplate" issue. T.O.C. used to be (and maybe still is) a common
abbreviation on engineering drawings. But top of concrete is not
important - what is important (for piping installations) is the actual
elevation of the underside of the machinery's baseplate, because
levelling grout exists between the top of concrete and the underside of
baseplate. The thickness of the grout can vary. Anyone have any
additional comments on this?
Quick sketch: <a href="http://www.pipingdesign.com/drawings/grout.jpg">http://www.pipingdesign.com/drawings/grout.jpg</a>
Paul
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[Non-text portions of this message have been removed] Received on Mon Mar 08 07:43:00 2004
This archive was generated by hypermail 2.1.8 : Tue Mar 04 2008 - 11:40:33 EST
