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Design of Secant Piles

Design of Secant Piles

Design of Secant Piles

(OP)
Hi
Need help on designing of steel cage in secant piles when the bending moment is known.

thanks in adavnce
cheers
amarjeet singh

RE: Design of Secant Piles

In other words - how to design flexural and shear reinforcement in a concrete bending member that is circular in cross-section? Is that your question?

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RE: Design of Secant Piles

As JAE has implied, this is pretty much just reinforced beam-column design.

In my area, secant piles don't have reinforcing cages. The female piles (first installed) have encased wide flange columns within adn may designed as either composite or non-composite at the discretion of the designer. The male piles (last installed) are plain, unreinforced concrete designed to arch horizontally between female piles. Given the construction sequence, it would be problematic for the female piles to be reinforced as it would make it difficult to core through them to install the male piles.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: Design of Secant Piles

Agree that it just like any other circular reinforced beam.

I think the more common sequence is for the female pile to be unreinforced and of fairly low strength concrete, in order to make the drilling of the male pile easier.

Then the male pile is reinforced and concreted.

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