Need a book? Engineering books recommendations...

Return to index: [Subject] [Thread] [Date] [Author]

Re: Holes in Steel beams

[Subject Prev][Subject Next][Thread Prev][Thread Next]
Put these in the middle third of the span assuming you have uniform loading 
 of the breams.

William L. Polhemus, Jr. P.E.


> On Oct 3, 2014, at 3:05 AM, Joe Venuti <jovenengr(--nospam--at)> wrote:
> I have several W16x50 beams that we need to make 3" dia. penetrations
> through. The fabricator was asking if they could cut circular openings and 
> place a 4" dia std pipe x 2" long through the web and fillet weld around 
> the pipe on both sides of the web.  The openings would be at mid-height 
> of beam. I contacted steel solutions center and their response was The 
> AISC Specification does not address this particular condition so you will 
> have to use your own judgment
> The main span 30'-6" with 5'-6" cantilever each end. Holes will be 3ft-6ft 
> out from supports and third at 11'-6" out from support. Max moment is
> 44.2ft-kips Live and 31.0ft-kips Dead
> What have others done in similar situation ?
> Joe Venuti
> Joven Engineering

Post your message to the list by sending it to: 

The email messages sent to the list will be saved in an archive on the World Wide Web.
These archives are located at:

To contact the list owner, send your message to:

Sponsored By: Pacific Structural & Forensic Engineers Group, Inc. (PSFEG)

To unsubscribe, switch to/from digest, get on/off vacation, or change your email address, click here.