p-y curves
p-y curves
(OP)
Does anyone have good experience using p-y curves? Are these about as accurate as L-Pile and similar programs? Thanks.
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RE: p-y curves
RE: p-y curves
We are wanting to get deflection results because the piers are supporting some retaining walls. If the retaining walls move enough, then people look at it and think it's the end of the world.
Have you made soil spring models before as well?
RE: p-y curves
If I understand your problem correctly you are concerned about lateral movement of a cantilever retaining wall on piers. Have you considered battering the front piers to resist lateral movement at the base of the wall?
As to building the p-y curves, I just go with the correlations provided with program documentation. The engineers at the Ensoft company are leading experts in the field of laterally loaded piling. I'm not about to second guess them. I put most of my effort into analysing soil boring data to decide what layers are most representative of the resisting zones on the shafts.
I'm not qualified to advise on how to build p-y curves but there is plenty of instruction and advice available in print. There is an excellent text by Reese and Van Impe "Single Piles and Pile Groups Under Lateral Loads".