×
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

Soldier H Pile Rock Socket Analysis for Review

Soldier H Pile Rock Socket Analysis for Review

Soldier H Pile Rock Socket Analysis for Review

(OP)
Assuming the bedrock to be massive, unjointed with the strength of 4000 psi concrete check out page 3 of this link for its load distribution. http://www.ncree.org.tw/iwsccc/PDF/08%20-%20Shahrooz.pdf. Its assumes moment equilibrum with a linear elastic stress and strain distribution per the ACI Code. The AASHTO model for Soldier Pile in rock looks nothing like it. Most of the rock socket load would be taken up right below the top and just above the bottom of the H Pile embedment. Note that 2.5 times the HP flange width is the max width for load distribution. Seems real rational to me for a solid rock condition. Any feedback would be appreciated.

RE: Soldier H Pile Rock Socket Analysis for Review

I'm not sure why ACI would need to be involved in a soldier beam design.  The basis of the embedment design is that the soldier beam is bearing on concrete which is totally in compression against the dirt or rock.  The soldier beam is resisting any bending in the embedded length.  Perhaps ACI is making this more complicated than necessary?

RE: Soldier H Pile Rock Socket Analysis for Review

(OP)
PEinc,I am just trying to say the force distribution in the rock socket per AASTHO's diagram show a uniform load on one side and a F force right at the toe is probably wrong but safe anyway. The moment reactions which are very high are separated by 0.75+/- and are not totally uniform per AASHTO. Strictly a comparsion of how fixed ends stabilize
a large shear force and a moment. I am assuming the rock as concrete as ACI has nothing to do with soldier pile design.

RE: Soldier H Pile Rock Socket Analysis for Review

(OP)
PEinc,I am just trying to say the force distribution in the rock socket per AASTHO's diagram show a uniform load on one side and a F force right at the toe is probably wrong but safe anyway. The moment reactions which are very high are separated by 0.75+/- and are not totally uniform per AASHTO. Strictly a comparsion of how fixed ends stabilize a large shear force and a moment. I am assuming the rock as concrete as ACI has nothing to do with soldier pile design.

RE: Soldier H Pile Rock Socket Analysis for Review

Sorry, but you lost me.  What F force at the toe?  What is a moment reaction?  What is the 0.75 separation?

RE: Soldier H Pile Rock Socket Analysis for Review

(OP)
PEinc

In my first post there is a pdf link. Check page 3 and see the elastic loading condition that was verified thru strain gauges. The AASHTO model is for discrete wall elements embedded in rock. That AASHTO model has been a subject of many negative posts on this site. You can check out thread #153283. The 0.75Le is the separation of forces on each end of the H Pile embeddment in this hypothetical case.

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