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Old 22nd August 2011, 10:22 AM   #1
M J Tierney
Join Date: Aug 2011
Posts: 1
Smile Removing the corner wall

Removing the corner of a building will require 2 beams to support the
two wall above...Will Superbeam cover these calculations?
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Old 22nd August 2011, 12:11 PM   #2
Tony Bryer
Join Date: Apr 2008
Location: Melbourne, Australia
Posts: 824
Default Re: Removing the corner wall

Yes, you can do this with SuperBeam but it needs care, both at the design stage and when the work is done.

The usual arrangement is one UC or twin UBs supporting one side of the corner, spanning from the remaining wall to the corner, where it/they are picked up by steel(s) running in the other direction. If the longer span is supported by twin UBs you need to take account of the fact that the point load from the short steel(s) probably acts on one of them only, so you may well end up with a twin beam using two different sections. You also need to design the connection between the intersecting beams. Lastly, of course, you need to be sure that you have proper supports under each of the beam bearings.

When it comes to executing the work, proper propping of the wall above is vital, and it is also essential to preload the beam(s) otherwise the load will progressively transfer to the steels causing progressive deflection and cracking of the wall over.

In short this is probably not a hugely complicated piece of design but unless you are completely confident of your ability to work through the design I would hand it over to someone more experienced.
Tony Bryer, Greentram Software Pty Ltd
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