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Re: Retaining wall footing resultant CBC
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Retaining wall footing resultant CBC
- From: Jnapd(--nospam--at)aol.com
- Date: Thu, 9 Apr 2009 16:03:41 EDT
As Bill said huge footing
Johnson & Nielsen Associates
Palm Springs, CA
In a message dated 4/9/2009 12:51:27 P.M. Pacific Daylight Time,
I think the issue came
up after his attempt at a wall design with a seismic increment of 18H^2 point
load at .6H up the wall ;-)
Sounds like your colleague sleeps quite restfully at night due to his
conservative approach...not that there is anything wrong with that
Palm Springs, CA
In a message dated 4/9/2009 10:31:14 A.M. Pacific Daylight Time,
The reason I was asking is because the other
day an engineering collegue told me he designs to the middle third for
retaining walls for non essential
wonder if that was required from an old code
requirement or maybe some older soils reports required
Thanks for your
is an arguable issue, but I accept the design if outside middle third if
soil pressure OK and stability >1,5.
From: Jeff Smith
Sent: Thursday, April 09, 2009
Subject: Retaining wall
footing resultant CBC
Building Code section 1806A.1 requires the resultant must be in the middle
half using 1605A.3 load combinations. I don't see this requirement in
chapter 1806. For non essential facilities are there any requirements for
the retaining wall resultant, or do we just need a 1.5 safety
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Feeling the pinch at the grocery store? Make dinner for $10 or less.