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Re: Landslide

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Actually that kind of language has been in various geotechs for years (that
is the rebar recommendations).  Although I've always ignored their advice
and designeds the piers for the particular problem and it's usually a more
steel, etc.  One thing, though, that we do forget, is a civil-civil using
this report and going with this recommendation.  The bottom line would be
at least some reinforcing got in the pier.  Bad scenario.

But it does happen.

Neil Moore, S.E.
on a high tonight after a 50k today.

Most pier I design are usually five or six feet in diameter and anywhere
from 20 to 30 feet deep.

>I think we're flaming geotechs a little harshly.  As I mentioned in an
>post, my experience with rebar recommendations in soil reports is that they
>recommend minimum reinforcement for geotechnical purposes--such as for
>expansive soil uplift on piers, etc.--and state that that is the purpose of
>their recommendations.  
>That is not a substitute for the S.E.'s expertise, but an independent
>recommendation for other conditions.  The geotech is not recommending minimum
>rebar in piers or grade beams for seismic or wind conditions, but for soil
>conditions.  Whichever one governs should be specified, and usually it's the
>S.E.'s analysis of lateral loads (wind, seismic, and/or soil pressures). 
>Ralph Hueston Kratz, S.E.
>Richmond CA