Sent: Tuesday, May 16, 2006 8:56
Steel Tubes Laterally Supporting Glazing
recall anything code-wise (1997 UBC/2001 CBC) regulating the allowable
deflection for glazing. Have I just missed it or is that
isn?t such a regulation, what would be a reasonable/prudent/standard practice
for such a design?
situation, strength is not a problem; I?m just not comfortable with the
deflections I?m getting and my gut tells me to raise the
William (Bill) Allen, S.E.
(949) 248-8588 ?
Sent: Monday, May 15, 2006 5:44
Subject: Re: SMRF connection
In a message dated
5/15/06 2:44:01 PM, rshaw(--nospam--at)steelstructures.com writes:
I?m amazed that we
want to stick with the old ? UBC 97, as an example, when we have such a wealth
of new information and documents to use.
"we"? I'm sure that "we practicing structural engineers" would
like to use the latest and greatest information available, but some of the
governing authorities--those folks who actually run our professional lives to
a great extent--do not appear to be quite so interested. Or maybe it's
just the inertia of the political system that requires a decade to get even
the obvious lessons of Loma Prieta, etc., incorporated into the legally
Some of us may try to incorporate available
knowledge into our own practices, providing that the resulting design
*exceeds* the requirements of the effective code, however that may open us up
to charges of wasting our client's money, even though we're just trying to
make them safer. It's a tough call.
OTOH trying to use a
new cutting-edge system may require the resources of a major client and a
major engineering office, due to the need for extensive research,
documentation, etc., that not all of us have available.
Hueston Kratz, S.E.