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Re: Using shoring as structural member

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it also helps the people that do the installation

Parkerres(--nospam--at) wrote:
> Greg -
> We use your idea in concept all the time, but we use poured in place concrete
> shoring piles instead of steel piles.  I don't like the steel because I'm
> afraid it can rust out over time, and I don't like the idea that the studs are
> in tension.  Also, I worry about the direction of the load from the soil in
> regards to the orientation of the steel pile since the steel's capacity is
> drastically different in diferrent directions.
> Instead we use concrete piles with "break-out" dowels on the face which are
> bent down into the shotcrete wall after the pile is excavated.  Assuming your
> soil is fairly decent, and you space your piles reasonably close together (8'
> or so), typically no lagging is required.  But check with the soils engineer
> on this.  Also, in regards to your waterproofing, we usually specify a
> "Miradrain" behind the wall, but nothing behind the pile obviously.  We
> provide a "T" for the french drain between each pile.
> We have used this system on walls 30' tall or so on steep hills with very good
> success.
> Good luck.
> Bruce Resnick, SE
> Parker Resnick Str. Eng.