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RE: Copyright Infringement

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I reveal my age, but when I was in college we used to get copies of the
steel design manuals for free! You'd think that the steel industry would
subsidize this information a little more if they want us to "think steel"
for our next design. Stuff like this is one of the reasons I love concrete.

-----Original Message-----
From: Alfonso S Quilala [mailto:aquilala(--nospam--at)]
Sent: Friday, January 05, 2001 1:39 PM
To: 'seaint(--nospam--at)'
Subject: RE: Copyright Infringement

This is ridiculous!!!  This is the problem in this world right now.
Everybody is claiming proprietary rights to everything.  The next thing we
know is that the air we breath has already been patented or copyrighted and
we have to pay every time we use it.  

Engr. Alfonso S. Quilala Jr., P.E. 

-----Original Message----- 
From: Structuralist [ mailto:dennis.wish(--nospam--at)
<mailto:dennis.wish(--nospam--at)> ] 
Sent: Friday, January 05, 2001 12:29 PM 
To: SEAINT Listservice; aec-residential(--nospam--at); 
Subject: Copyright Infringement 

I recently posted the standard steel shapes database to the 
Structuralist.Net discussion forum. One of our members, who works for AISC, 
wrote me privately to ask that I remove the database from the forum as he 
believes it is an infringement of AISC's copyright. 
I do not agree although I have removed AISC's name from the database so that

there is no implication that the physical properties of conventional steel 
sections was obtained or "copied" from the AISC manuals. This, to the best 
of my knowledge, was not the case as these are the physical properties of 
non-proprietary shapes which can be calculated by conventional mathematical 
methods and these numbers, in themselves, can not be protected by copyright.

What I have agreed to do is to change the name of the files to Standard or 
Conventional Structural Steel Properties and remove any reference to the 
American Institute of Steel Construction. 
In my opinion, this is a counter productive concern of the AISC as the 
purpose is to promote the use of structural steel standards. The use of the 
numeric values for mathematical properties of common shapes is not an 
infringement of any copyright nor will it harm the sales of the associations


Dennis S. Wish, PE 
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