×
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

ACI 530 3.1.6 Strength design of anchor bolts

ACI 530 3.1.6 Strength design of anchor bolts

ACI 530 3.1.6 Strength design of anchor bolts

(OP)
Is there a provision decreasing the shear strength of an anchor depending on edge distance, for the strength design method?  There is one in the ASD section, 2.1.4.2.3, but I can't find anything for the strength design method, nor anything refering back to the ASD section for the strength reduction factor. Surely this isn't meant to imply you can get your full shear strength no matter the edge distance.  Any insight, or did I miss the section for the reduction?

RE: ACI 530 3.1.6 Strength design of anchor bolts

Use ACI 318 Appendix D

RE: ACI 530 3.1.6 Strength design of anchor bolts

I believe it is in equation 3-10, where lbe is the anchor bolt edge distance.

RE: ACI 530 3.1.6 Strength design of anchor bolts

(OP)
jmiec, wrt strength design: so we're saying that the edge reduction may be thought of as implied so to speak, since the maximum area for the shear cone of the masonry is limited not to exceed the edge distance?  

In essence then you will never have a case where your shear area is reduced since the control in on lbe, not in a separate reduction factor.  I realize that the theory behind the ASD and LRFD methods differ considerably here, but I was expecting to see a strength reduction in case you are close to an edge.

Does that sound reasonable?

RE: ACI 530 3.1.6 Strength design of anchor bolts

ACI 1.5 defines lbe as the anchor bolt edge distance, measured in the direction of the load.  I would normally think of this as the end distance, with the edge distance to be perpendicular to the load.  ACI doesn't seem to consider the distance perpendicular to the load for the nominal shear strength.  If that's what you're getting at, then I agree that I would expect there to be some reduction for that.  In practice, I take lbe to be the minimum of the two distances.

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