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Re: Soldier Beam Retaining Wall Design Practice

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In a message dated 11/11/08 11:24:33 AM, dharris(--nospam--at) writes:
I have never seen a lagging failure and on site the lagging often looks
like it is not being loaded very much.

Isn't this true of *many* retaining walls of all types of construction?  I once saw a very old 10' tall concrete "retaining wall" along a sidewalk, that had weathered enough so you could see that in fact it was a cliff of rocky soil that had been plastered to look like a concrete wall!  It had been there a very long time, about 70+ years.  The plaster had failed, but the soil hadn't. 

Not that I'm suggesting that method of constructing retaining walls....

Ralph Hueston Kratz, S.E.
Richmond CA USA

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