But can you consider the concrete confined if it is pushing against newspaper or debris in the pile? I can see the concrete being well confined if the pipe is clean and fully filled with concrete.
Thanks again.
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Steve Cairns, M.A.Sc, P.Eng.
Halsall Associates...
Thanks for the responses.
I've seen on a number of jobs the addition of a concrete plug, but i'm not entirely sure how it works. If the concrete is poured in the pipe, and it shrinks slightly (as concrete does) how is the friction developed between the smooth surface of the pile and the...
Greetings!
I'm currently working on a job where we will be driving 9 5/8" OD x 0.472" pipe piles (open-ended) to refusal on bedrock at a depth varying from 3m to 23m. We have been given a safe design working load of 900kN/pile from our geotechnical consultant. As the piles are going...
