×
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

Retaining Wall Minimum Tension Steel

Retaining Wall Minimum Tension Steel

Retaining Wall Minimum Tension Steel

(OP)
I am designing a cantilever retaining wall using some design software. I am not able to hand calc the same required tension steel as the program. I am trying to use the most conservative requirement from ACI 318 section 10.5 and 14.3. I notice that as I increase the moment on the stem, the As,min requirement increases. Is there a minimum steel calculation that includes the bending stress or moment ratios? Am I not looking in the right place?

RE: Retaining Wall Minimum Tension Steel

There is a minimum amount of steel based on geometry and material properties (if loads don't control, obviously), but there is an exception to it based on providing a minimum of 33% higher capacity (I believe- I may be wrong about that number) than analysis shows is required. Don't have ACI in front of me, so I can't point you to the right provision.

RE: Retaining Wall Minimum Tension Steel

Look in ACI Section 10.5 - frv is right in that the program is probably using 1.33 x As(req'd) as the minimum amount as long as As(req'd) is less than the other minimums.

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