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Traction load in tilted piles

Traction load in tilted piles

Traction load in tilted piles

(OP)
Hi engineers,

I'm currently facing a project where piles are going to be tilted (B) insted of vertical (0º), and those are going to be subjected to pull out (similar to an anchorage).

The piles will be directly rammed into the soil and will be steel piles.

I attach an scheme for a better explanation an scheme below.

https://files.engineering.com/getfile.aspx?folder=...

Does anyone knows where can I found information regarding how the effect of the close surface must be considered? I guess that in depth the effect of the surface can be neglect, but don't know how deep will it be or if I have to ommit pile resistance for the first part of the calc.

Any reference regarding to this would be much appreciate.

Thank you so much in advance,

Best regards,



RE: Traction load in tilted piles

What you have described is a soil nail essentially. Google them, lots of reference out there.

RE: Traction load in tilted piles

(OP)
Hi Eirechch,

Thank you so much for your answer, but i'm not quite sure this to be exactly the same, that's why I'm asking.

I'm not an specialist in soil nails, but I guess are designed to retain the soil and not subjected to external traction loads far away from the ones produced by the own weight of the soil.

For me, this case is different, as this is an isolated pile, which will be submitted to an external loads which will try to pull it out.

Maybe I'm wrong, it of course could be and so I really appreciate your opinion and adice regarding how to focus this matter.

Regards,




RE: Traction load in tilted piles

A soil nail and a tension pile are the same thing essentially. They resist tension load through skin friction. Whether steel pile/nail to soil or grout/concrete to soil.

RE: Traction load in tilted piles

(OP)
Hi EireChch and SlideRuleEra,

Thank you so much to both!

Very interesting the publications suggested, it helped me a lot!

Regards,

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