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Re: Site Accelerations

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I tested the web application on my own home address (Los Angeles Area), and 
 here is what I got: NSHMP_HazardApp and the new web application gave the 
exact same results using IBC 2009. The new web application results, using 
IBC 2012 , were 6% higher. So, I guess the result will vary by location and 
 is not necessarly lower as you found out, maybe because more refined 
geologic mapping by USGS.

Oshin Tosounian, S.E.

________________________________
 From: Tarek Mokhtar <Tarekmokhtar(--nospam--at)earthlink.net>
To: seaint-seaosc(--nospam--at)mail-list.com
Sent: Wednesday, November 28, 2012 11:01 AM
Subject: RE: [SEAINT-SEAOSC] Site Accelerations

O.K Harold, inquiring minds want to know :)

Tarek

> I get the similar response when I checked my last year's project done 
> with IBC 2009. Same project with IBC 2012/ASCE 7-10 yielded 30% lesser 
> Sds ground motion. Harold, is there an explanation for lower values? 
> Mansoor Khan 
> -----Original Message-----
> From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On
> Behalf Of Tarek Mokhtar Sent: Tuesday, November 27, 2012 3:15 PM
> To: seaint-seaosc(--nospam--at)mail-list.com
> Subject: RE: [SEAINT-SEAOSC] Site Accelerations
> 
> Joe,
> 
> I get static when using the values associated with the 2010 ASCE (2008
> maps), in some instances they are 20% less than the 2005 version(2002 
> maps) Tarek 
>> Tarek

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