×
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

Horizontal Adjustment for steel to concrete Moment Connection

Horizontal Adjustment for steel to concrete Moment Connection

Horizontal Adjustment for steel to concrete Moment Connection

(OP)
Hey guys...
Im just wondering how could I provide horizontal adjustment for a steel beam (carries moment)to a concrete column without making slotted holes in the beam flange. Because as far as I know if the holes were slotted I should use S.C bolts which I cant.
Can anybody tell me what is the standard practice for such case.

The connection is:
A flange plate welded to the embedded plate and bolted to the beam flange (to carry the moment)
Shear plate welded to the embedded plate and bolted to the beam web with horizontal slots in the holes ( only carries shear).

Thanks in advance.

RE: Horizontal Adjustment for steel to concrete Moment Connection

Quote (OP)

Because as far as I know if the holes were slotted I should use S.C bolts

I think that's only true for slots parallel to load. You may be okay here.

Quote (OP)

A flange plate welded to the embedded plate and bolted to the beam flange (to carry the moment)

If you're already welding the flange plate (to the embed plate), why not just weld it to the beam flange too? That would eliminate all kind of potential fit up issues.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: Horizontal Adjustment for steel to concrete Moment Connection

(OP)
I believe that the connection should be loose (bolted). Otherwise, site weld will be needed.
Unless you mean lifting the beam with its connection (including the emb. PL)as one unit.? Is that achievable?

Thanks for replying kootk.

RE: Horizontal Adjustment for steel to concrete Moment Connection

Quote (OP)

I believe that the connection should be loose (bolted). Otherwise, site weld will be needed.

Are you not already site welding the flange plate to the embed plate? I don't see how you'd avoid that unless it's a precast column and the flange plate to embed weld would be made in the shop.

Consider posting a sketch. As far as I'm concerned, you're a rogue accountant right up until I see something on graph paper to convince me otherwise.

Quote (OP)

Thanks for replying kootk.

Happy to help Tristan.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: Horizontal Adjustment for steel to concrete Moment Connection

Use steel shim plates to fill the space...

Dik

RE: Horizontal Adjustment for steel to concrete Moment Connection

Thanks for the sketch. If that's a cast in place column, then you'll be welding the flange plates to the embed plate. So why not have the welder throw a little weld on the beam flange too while she's there and have all the field adjustment flexibility possible? I like deformed bar anchors on the embed behind the tension flange but that's just me.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: Horizontal Adjustment for steel to concrete Moment Connection

(OP)
Thanks guys...

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