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friction pile versus belled caissoon design

friction pile versus belled caissoon design

friction pile versus belled caissoon design

(OP)
When calculating the embedment of friction piles one uses, vertical load, seismic load and creep. For iisolated pad footings we don't. If I'm designing a hand dug caisson (end bearing deep foundation) should I still include creep and seismic ? At which point a footing becomes a caisson (from a regular pad footing) , what depth is considered a turning point, 3'... 5'... 7'  ?

RE: friction pile versus belled caissoon design

Why wouldn't you include seismic in every footing?  I'm not sure what you mean by isolated pad footings not being designed for seismic load.  All elements of a structure should be designed for all required load cases and combinations.

 

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