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Re: Flexible vs. Rigid Diaphram

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Erik,

This is what i know, -  it is general practice to consider diaphragm made of
cast in place concrete, precast concrete with concrete topping, and metal
deck with concrete fill as RIGID, but diaphragms made of precast planks
without concrete topping, metal deck without concrete fill and plywood
sheathing as FLEXIBLE.

Eleanor G. Guarin, CE
ESCA Engineers
Quezon City, Philippines


----- Original Message -----
From: "Erik H. Smith" <erik(--nospam--at)crawfordandassociates.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Tuesday, July 30, 2002 3:42 PM
Subject: Flexible vs. Rigid Diaphram


> I am currently working on a building with a 4-1/2" concrete/steel
composite
> roof, and I was wondering how to tell if the roof I have is a flexible or
> rigid diaphram.
>
> Erik
>
>
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