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RE: loader surcharge at top of retaining wall

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AASHTo requires 2 feet I think 3 feet is enough as long as it is short term

> [Original Message]
> From: Ken Peoples <lvtakp(--nospam--at)>
> To: <seaint(--nospam--at)>
> Date: 11/11/00 6:09:01 AM
> Subject: loader surcharge at top of retaining wall
> I am designing an 18-foot high retaining wall which is
> to hold back a ramp which will be used by a loader to
> load bins.  The loaders front tires will likely be
> stopping at the wall - once they hit it that is. I
> don't have the loader size yet and I know that is
> important but the question remains the same.  What I
> would like to know is whether there are any good
> references out there regarding surcharge loading for
> this type of situation.  Our DOT uses something like a
> 3 foot minimum surcharge for bridge abutments but I
> don't really feel comfortable just using that without
> knowing more.  As always, your opinions are
> appreciated.
> Ken
> =====
> Kenneth S. Peoples, P. E.Lehigh Valley Technical Associates2102 Main St.
Suite 200Northampton, PA 18067ph: 610-262-6345fax: 610-262-8188email:
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