You're right. I was trying to cut tons out of the building. However, I
don't see that as a mistake. I appreciate the AISC recommendations on
how to save steel construction dollars via correct use of detailing, and
all those other tips. Those are good tips! I read through them
yesterday with the link you provided. However, if I start out with a
lighter building and then apply the tips, I can't help but be more
economical. I'm not looking to go so light that I'm adding stiffeners
or doubler plates or anything like that. We're talking good sized
members for a heavy industrial building.
I guess I was expecting something dramatic with LRFD since it is a big
topic of discussion. It just wasn't a big deal (and I still had to
calculate the service loads to get my deflections). I'm sticking with
ASD until I am forced to switch or I can see a savings for me or my
Michael Ritter, PE
> -----Original Message-----
> From: Charlie Carter [SMTP:carter(--nospam--at)aiscmail.com]
> Sent: Thursday, February 03, 2000 10:19 AM
> To: 'seaint(--nospam--at)seaint.org'
> Subject: RE: ASD vs LRFD...my simple test
> I'm assuming your motivation to check into LRFD was maybe to see if
> you could cut tons out of the structure. This is a mistake in my
> opinion, because least weight is not synonymous with least cost. The
> details are what drives the cost. Labor, not tons!