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Pier Foundation

Pier Foundation

Pier Foundation

(OP)
What is the minimum shear reinforcing for pier foundations?

RE: Pier Foundation

how long is a piece of rope

RE: Pier Foundation



But SERIOUSLY, what are you trying to do?



Please see FAQ731-376  by VPL for tips on how to make the best use of Eng-Tips Fora.

RE: Pier Foundation

jpmm - a piece of rope is always twice half its length.  I'm surprised at you!

pgaviria - what kind of pier are we talking about:  building, highway or marine application?  The minimum shear reinforcing requirements are different depending on the applicable code and of course the location of said pier in regards to seismic zones.  Be more descriptive.

RE: Pier Foundation

(OP)
ACI 318-89 11.5.5.1 requires a minimum shear reinforcement when Vu exceeds one half the shear strength provided by the concrete Phi*Vc.Do this apply to Drilled pier foundations? How deep in the pier should this ties go?

RE: Pier Foundation

Qshake,

This forum is particularly informative because I have never had an answer to that question.

RE: Pier Foundation

Hi pgaviria,

Now I see, are you sure you have low shear in you drilled pier?  Have you modelled it with correct soil parameters?

Typically I have to run my spiral all the way to the rock socket.

Regards

VOD

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