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[SEAOC] Future Seismic Codes in United States[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: [SEAOC] Future Seismic Codes in United States
- From: fmcclure(--nospam--at)ccnet.com
- Date: Mon, 3 Jun 1996 03:56:47 -0700
Fred Turner's message, entitled "Don't Teach LRFD", dated June 1, 1996, is very important to those who believe that Allowable Stress Design (ASD) should be provided for in the future seismic codes in United States. The results of the Bruce Bates' recent informal SEAOC List Server survey indicated that ASD is used approximately twice as often as LRFD for steel design was very revealing. Why eliminate ASD in future seismic codes when ASD is used by so many structural design offices, by a ratio of 2:1? The Building Seismic Safety Council (BSSC) has done a good job to update the NEHRP Provisions using the same talented structural engineers who help update the Uniform Building Code on a voluntary basis. However, some engineers are concerned that the NEHRP Provisions have taken on the perception of a federally mandated national building code for seismic provisions. Many years ago the leading structural engineers in California were very concerned about the possibility of a "federally mandated national seismic code", even when the advocates for the NEHRP Provisions told us that the NEHRP Provisions would never used for that purpose. When we have a "federally mandated national seismic code", because federal funding can be tied to acceptance of such a seismic code, then we can loose local state control of our building code provisions. If you are concerned about this possible elimination of ASD provisions in the national seismic codes, then one course of action would be to contact your local civil and structural professional engineering and building offical organizations, including the Board of Directors and voting members of BSSC, and express your opinions. The price of freedom is eternal vigilance. Frank McClure fmcclure(--nospam--at)ccnet.com ...
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