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


Design of base plate by Roark's Formula

Design of base plate by Roark's Formula

Design of base plate by Roark's Formula

Hi everyone,

I am design a steel base plate, and I usually use the Roark's Formula (TABLE 11.4 Formulas for flat plates with straight boundaries and constant thickness). But in this tables, there is cases for Poisson v=0,3 (steel) and v=0,2 (concrete).
How can I do to use the tables with v=0,2 for material steel? Is there any change in the formulas with v=0,2 to use with v=0,3?

RE: Design of base plate by Roark's Formula

Maybe I am not seeing it, but for the case of uniform pressure over a baseplate, how do you get a baseplate simply supported on 3 sides and fixed on 1 side? Are you not grouting below the baseplate to obtain full contact bearing below the plate?

RE: Design of base plate by Roark's Formula

Agree, equation is for plate (steel). How does concrete possion ratio come into it

Why not AISC Steel Design Manual to design Chhapete 14 to determine required thickness of steel baseplate. Design of Welded Structures by Blodgett has some good examples too

Pipe Stress Analysis Engineer

RE: Design of base plate by Roark's Formula

the aisc method is indicated to base plates without stiffeners. Usually, when there is stiffeners in base plate, we can use the roark's formulas to design the base plate.

RE: Design of base plate by Roark's Formula

My question is about poisson in tables of book Roark's Formula

RE: Design of base plate by Roark's Formula

Thank you so much robyengIT... Bares is a very good book!

These equations is applicable to Roark's Formula too?

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!


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