Correct terminology for a doubler on the bottom of a wood beam
Correct terminology for a doubler on the bottom of a wood beam
(OP)
A few months back I came across a thread that discussed adding a doubler to the bottom of a wood beam that was undersized. The thread used a term for the doubler that I had never heard before so I bookmarked it somewhere. Wish I knew where. I also came across it in a book. Can't find that either.
It's tough getting old especially if you were already stupid.
Anyone out there know the correct term?
Thanks
dpa
It's tough getting old especially if you were already stupid.
Anyone out there know the correct term?
Thanks
dpa






RE: Correct terminology for a doubler on the bottom of a wood beam
RE: Correct terminology for a doubler on the bottom of a wood beam
RE: Correct terminology for a doubler on the bottom of a wood beam
Dear EIT,
I have heard the term strongback used when a beam like arrangement is used to support a long heavy item at more than one point. It is used with heavy cranes when lifting pipe or long beams. It may apply to structures I'm not sure. I will search the sites for both terms.
Thanks guys
RE: Correct terminology for a doubler on the bottom of a wood beam
You are right strongback is also a structural term in addition to being a crane rigging term. Turns out a flitch plate is vertical and sandwitched between two wood beams and a strong back is on top (maybe also bottom?) of a beam.
Turns out strongback is what I am trying to do here since the structure is not accessible for adding a flitch plate.
Thanks again
RE: Correct terminology for a doubler on the bottom of a wood beam
RE: Correct terminology for a doubler on the bottom of a wood beam
Mike McCann
MMC Engineering
RE: Correct terminology for a doubler on the bottom of a wood beam
Mike McCann
MMC Engineering
RE: Correct terminology for a doubler on the bottom of a wood beam
Mike McCann
MMC Engineering
RE: Correct terminology for a doubler on the bottom of a wood beam
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RE: Correct terminology for a doubler on the bottom of a wood beam
RE: Correct terminology for a doubler on the bottom of a wood beam
I think it all depends on what the member is and how are you utilizing it.
If it is a timber/steel beam placed below the existing beam you could call it a bolster beam, or a relieving beam.
If it is a timber or steel member fastened/bonded compositly to the bottom of the wood beam you could call it a strengthener or reinforcing plate.
RE: Correct terminology for a doubler on the bottom of a wood beam
I could swear I've heard 'cap' used to describe a half- length doubler welded to the bottom of a steel beam to stiffen it, but it's been a long time.
Mike Halloran
Pembroke Pines, FL, USA
RE: Correct terminology for a doubler on the bottom of a wood beam
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Eg. for panels riddled with holes which aren't able to support their own weight when not vertical.