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RE: Strength Mobilization Factor - TEDDS

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It does not appear that he is using the software as a black box, as he is asking questions about the technical basis for the equations in the software - exactly what he should be doing.  Certainly he should also be talking to TEDDS, but understanding the source documents is just as important.  And understanding USACE's EM 1110-2-2502 is a monumental task - seeking advice from experienced users is appropriate.  Ultimately, one must become comfortable that they understand the technical basis for the methods and inputs used by the software.
 
Bill Sherman
CH2M HILL / DEN
720-286-2792
 


From: Bill Cain [mailto:bcainse(--nospam--at)live.com]
Sent: Sunday, August 09, 2009 9:00 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Strength Mobilization Factor - TEDDS

Jeremy-
You really ought to be asking the TEDDS folks what their factor means and what it is based on. Using any software as a black box is a risky behavior. I hope you are just looking at it and not using it on a real project.
Regards,
Bill Cain SE
Berkeley CA

> Date: Mon, 3 Aug 2009 10:46:01 -0500
> From: admin(--nospam--at)structuralae.com
> To: seaint(--nospam--at)seaint.org
> Subject: Strength Mobilization Factor - TEDDS
>
> Does anyone have a resource that gives a good explanation of the
> strength mobilization factor for soil and how that relates to the
> safety factor?
>
> Specifically, I am using TEDDS software for a retaining wall analysis
> and the software asks for the soil mobilization factor. The default
> value is 0.67 as recommended by ASCE (apparently). I don\'t understand
> the results I\'m getting and I feel I need more information on how the
> strength mobilization factor applies.
>
> - Jeremy
>
>
>
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