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11-03-2009, 07:43 PM
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#1
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Registered User
Trade:
Remodeling
Join Date: Nov 2009
Posts: 1
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Concrete Filled Steel Lally Column
I am presently putting up a large stick frame building which requires the installation of some triple LVL beams. These beams are supported by concrete filled steel lally columns that need to be cut to length. I have no experience cutting a concrete filled column. What is the best way to assure a clean square end?
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11-03-2009, 07:46 PM
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#2
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Pro
Trade:
Carpenter/GC
Join Date: Mar 2008
Location: Boston, Mass
Posts: 291
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There are pipe type cutters you can get, or cut through metal with sawzall blade and whack it. Do it carefully so you don't bash out too much of concrete filler.
If you did take of too much cement fill it back in.
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11-03-2009, 07:47 PM
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#3
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Pro
Trade:
Sure, what you got?
Join Date: Jan 2008
Location: Auburn Indiana
Posts: 3,893
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The best way to cut them, is post an intro, tell us about your self, and then ask away.
__________________
Quote:
Originally Posted by Gus Dering
It may be just a gateway tool to the hard stuff. Be careful  |
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The Following User Says Thank You to WarnerConstInc. For This Useful Post:
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11-03-2009, 07:48 PM
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#4
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Member
Trade:
carpentry
Join Date: Jan 2007
Location: jackson nj
Posts: 36
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giant pipe cutter like plumbers use to cut copper just bigger
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11-03-2009, 07:55 PM
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#5
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Contractor
Trade:
Excavation, Foundation, Concrete
Join Date: Feb 2006
Location: Maryland
Posts: 2,023
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Cut off saw w/diamond blade would do it.
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The Following User Says Thank You to tgeb For This Useful Post:
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11-03-2009, 08:17 PM
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#6
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Pro
Trade:
Remodeling general
Join Date: Feb 2009
Location: Annapolis Md
Posts: 1,512
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Quote:
Originally Posted by airhose
giant pipe cutter like plumbers use to cut copper just bigger
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that's how my bro in law cuts them
seems to work well
I never had to use one though
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11-04-2009, 07:23 PM
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#7
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Pro
Trade:
Carpenter
Join Date: Jan 2008
Location: Cape Ann Area, MA
Posts: 199
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I always end up using a sawzall to cut through the steel and then a grinder to clean up the cement and or fine tune the steel square. I've used the large pipe cutter and that is definitely the best way to go. Don't forget to get the large heavy duty lally plates for the extra width of the 5 1/4" LVL's.
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11-04-2009, 07:37 PM
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#8
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Pro
Trade:
Carpenter
Join Date: May 2004
Posts: 5,551
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Quote:
Originally Posted by tgeb
Cut off saw w/diamond blade would do it.
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I've tried the other methods and this is the best method and with the cleanest cut, IMO . . . 
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11-04-2009, 07:46 PM
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#9
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Contractor
Trade:
Excavation, Foundation, Concrete
Join Date: Feb 2006
Location: Maryland
Posts: 2,023
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You'd be surprised how many people don't realize that a diamond blade will cut steel. 
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11-04-2009, 07:50 PM
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#10
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Pro
Trade:
Outdoor D/B
Join Date: Jun 2005
Posts: 1,840
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Quote:
Originally Posted by tgeb
You'd be surprised how many people don't realize that a diamond blade will cut steel. |
A demo saw with a diamond blade is like the swiss army knife on construction. You can cut anything.
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11-04-2009, 07:54 PM
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#11
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Pro
Trade:
Carpenter
Join Date: May 2004
Posts: 5,551
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Yeah, I have a Makita 12" electric cut-off saw that works like a charm for stuff like that. After all, they're designed to cut through concrete with re-bar.
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11-04-2009, 07:55 PM
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#12
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Where's my coffee?
Trade:
General Contracting - A/V Integration
Join Date: Apr 2009
Location: North Central PA
Posts: 92
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My back aches just from reading this. 
The cutting method depends on your on-site tools and budget... all above will work, some better than others. Personally, I'd be headed to the rental store for a diamond in the rough!
Dave
__________________
I never  give up!
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11-04-2009, 07:59 PM
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#13
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DavidC
Trade:
Remodeler
Join Date: Feb 2008
Location: NNY
Posts: 1,316
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Quote:
Originally Posted by tgeb
You'd be surprised how many people don't realize that a diamond blade will cut steel. |
Maybe one less now. I've cut concrete w/rebar a few times but never gave it a thought about the steel.
Good Luck
Dave
__________________
OK, rant if you must. For the love of Pete, use paragraphs and spell check.
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11-04-2009, 08:03 PM
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#14
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Pro
Trade:
Carpenter
Join Date: May 2004
Posts: 5,551
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Oh, - - I forgot to mention, - - if I need a really perfect cut on a lally column, - - I put that 12" diamond blade in my 14" (Makita) metal-cutting chop saw . . .
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