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RE: SIMPLIFIED BASE SHEAR DESIGN

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There is no basis for this guy claiming it doesn't impact the cost.  He has
never built one of his designs, and has no idea of the costs.
In effect, this engineer is designing for 1.2*1.4 = 168% of the lateral
force required by code.  He's not being "conservative," he's being "lazy."

~ ELI


-----Original Message-----
From: Eliseo Arellano [mailto:eliseoas(--nospam--at)earthlink.net] 
Sent: Friday, June 23, 2006 1:15 PM
To: seaint(--nospam--at)seaint.org
Subject: SIMPLIFIED BASE SHEAR DESIGN




Hello,


The other day I had a talk with an engieer that mentioned he was using the
simplified method to calculate the base shear for wood structures, Also he
said, he usually uses 100% of the lateral force. In others words he does not
reduces the forces by the 1/1.4 allowed by the ASD load combinations. He
also mentioned, that this won't impact the cost of the project and that the
builing code's intent is to provide minimum design loads. I believe this is
just too conservative. Any thoughts? Thakns in advance.

Eliseo Arellano.


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