×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

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!

*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

How would you classify this connection?

How would you classify this connection?

How would you classify this connection?

(OP)
Ran into a connection I haven't seen. Doing a re-rate on a monorail structure. The picture is of the type of connection used on one side of the monorail to column.

Would you classify this is a partially restrained moment connection? It's sort of inverted since if you flip this 90 degrees, it's a standard column to beam moment connection.

Thoughts?

RE: How would you classify this connection?

Yeah, it seems reasonable to assume that connection was designed to transfer moment since one wouldn't normally go with an eight bolt pattern otherwise.

RE: How would you classify this connection?

Rigid

RE: How would you classify this connection?

Looks like a bolted end plate moment connection to me. This would be considered a fully restrained moment connection. AISC has some designed guides on the subject.

RE: How would you classify this connection?

I would consider that to be a fully restrained moment connection. You're right that it's identical to a standard beam to column connection, just rotated 90 degrees and the connection doesn't care about its orientation.


(The picture on the left is from AISC's Design Guide 4 - Extended End-Plate Moment Connections)

Structural Engineering Software: www.structuralcentral.com
Structural Engineering Videos: www.youtube.com/structuralcentral

RE: How would you classify this connection?

(OP)
Thanks guys. I guess I was just questioning if the beam would still effectively transfer the moment with not having the top flange also restrained (like a normal beam to column connection).

RE: How would you classify this connection?

Quote (JD P.E.)

Thanks guys. I guess I was just questioning if the beam would still effectively transfer the moment with not having the top flange also restrained (like a normal beam to column connection).
The stiffeners are doing that the job here.

The moment connection doesn't know which way is up/down/left/right and it doesn't know where the moment force is coming from. If the beams/columns are the same member then the connection is analogous and symmetrical to you typical beam column moment connection.

** I said "moment force" because clearly the axial/shear forces are different per member.

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! Already a Member? Login


Resources

Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close