×
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

Through bolt in wood

Through bolt in wood

Through bolt in wood

(OP)
Is a through bolt (5/8") technically a dowel-type fastener? Meaning can we use Chapter 11 of the 2012 NDS to calculate shear/withdrawal capacities for it? Im talking about something like this:

RE: Through bolt in wood

Can't you open the book and look. If you have a specific question, someone may be able to help.

RE: Through bolt in wood

(OP)
Yes, I opened the book but wasn't sure. What more details do you need?

RE: Through bolt in wood

The NDS notes that dowel-type fasteners are bolts, lag screws, wood screws, nails, spikes, drift bolts, and drift pins. Furthermore, the definition for a wood dowel is a pin fitting into a hole in an abutting piece to prevent motion or slipping. So yes, that is a dowel-type fastener.

RE: Through bolt in wood

(OP)
Great, thanks Mike.

RE: Through bolt in wood

I'd like to apologize for my snarky response and add a little more information about the bolted connection design.

Chapter 11, Mechanical Connections, may have some requirements that need to be considered.
Chapter 12, Dowel-Type Fasteners, has detailing requirements and covers the lateral (shear) design
For tension, the bolt strength typically doesn't govern but should be checked (often times OK by inspection). The bearing perpendicular to grain needs to be checked per chapter 3, Design Provisions and Equations, along with the material chapter (EG chapter 4 for sawn lumber, chapter 5 for glulams etc). The area of the washer is used as the bearing area, don't count the bolt-hole in the washer in the bearing area.

RE: Through bolt in wood

Thanks for adding. That's some good info.

RE: Through bolt in wood

(OP)
No problem. My question could have been more specific. Thanks for the additional info.

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