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From: jbn@wdl1.UUCP
Newsgroups: net.cse
Subject: Re: Criteria
Message-ID: <716@wdl1.UUCP>
Date: Tue, 24-Sep-85 20:11:35 EDT
Article-I.D.: wdl1.716
Posted: Tue Sep 24 20:11:35 1985
Date-Received: Sat, 28-Sep-85 07:12:39 EDT
Sender: notes@wdl1.UUCP
Organization: Ford Aerospace, Western Development Laboratories
Lines: 11
Nf-ID: #R:wdl1:65700001:wdl1:65700003:000:507
Nf-From: wdl1!jbn    Sep 24 12:37:00 1985


      When you design large structures, such as bridges and buildings, the
design is normally validated by structural analysis, with generous safety
margins to allow for flaws in the materials and other problems.  But you
don't normally build a scale model of the entire building and subject it
to static testing; the theory is well-enough developed that static behavior
is predictable.  So structural engineers must learn how to design, on paper, 
buildings that will definitely stand up.

					John Nagle