×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Specifying Question

Specifying Question

Specifying Question

(OP)
I have a client that attached something to a wall with a concrete anchor, but the wall is actually clay brick. Most anchors do not have load tables for clay brick and also I never never seen an ICC-report for clay brick except one of the hilti epoxy anchors that requires a ridiculous embedment though multiple wythes. Normally I spec the Hilti HLC sleeve anchor since they at least have load tables for it.

The question is: does anyone have any guidance or precedence for doing something like this? IN general terms, specifying anchors that don't actually have load tables for the technical substrate? Of course, I could just do it if I feel comfortable based on some reasoning, but how to justify?

Any relevant guidance appreciated.


RE: Specifying Question

It also might be worth giving Hilti a call, they tend to have information about their product performance that doesn't always make it into the printed specs.

That said, depending on the exact conditions, I'm skeptical you could recoup enough in engineering fees to justify the rather significant risk you're assuming here.

Brian C Potter, PE
Simple Supports - Back at it again with the engineering blog.

RE: Specifying Question

Pull test

RE: Specifying Question

Can always pull test to a proof load as well. We've done this when anchoring to questionable ungrouted masonry in the past to give a little bit better comfort level, even though we actually had tables for the anchors we were using.

I know some of the Hilti/Simpson sales engineers out there will do it for free on their products.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources