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Re: LRFD & ASD[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: LRFD & ASD
- From: "Bill Sherman" <SHERMANWC(--nospam--at)cdm.com>
- Date: 30 Jul 98 19:51:16 -0400
I've heard that the best way to design steel using LRFD is to do a preliminary design solely based on serviceability requirements and then check your members for stress using LRFD requirements. With ASD, stress usually governed design - with LRFD, stiffness usually governs design. My biggest concern is that codes do not adequately address serviceability limitations and I have not seen adequate design guidance on recommended limitations. Thus I am more comfortable with ASD knowing that it will generally provide adequate stiffness. Perhaps the steel industry should come out with more recommendations for serviceability limitations for various types of applications to make LRFD design a more accepted practice.
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