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Italian Seismic Loads[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: SEAINT(--nospam--at)seaint.org
- Subject: Italian Seismic Loads
- From: Tom.Hunt(--nospam--at)fluordaniel.com
- Date: Fri, 22 Jan 1999 08:53:45 -0500
Bruce, A general comment on using the UBC in Italy and other countries. Unless your client specifically directs you to use the UBC you may need to dig a little further into the local requirements. Although the technical merit of seismic formulas in various codes are similar, the philosophical values in regards to risk are not always the same. The UBC limits damage only to life safety. Some countries consider a certain higher design level to include economical loss as well. Most codes have an equivalent "R" value, however, they can vary greatly depending on local concerns due to possible poor construction (i.e. suspect materials and installation), engineering expertise, government support of replacement, etc. Also be aware that in Italy many of the engineering requirements are implemented through Ministerial Degrees (i.e. legislated) as opposed to being in an all inclusive code. As example, for seismic, you may need to comply with "Decreto Ministerial 16 Gennalo 1996 - Norme tecniche relative alie costruzioni sismiche" (Law by Decree 16 January 1996 - Technical rules concerning seismic constructions). Thomas Hunt, S.E. Fluor Daniel ______________________________ Forward Header __________________________________ Subject: Italian Seismic Loads Author: Parkerres(--nospam--at)aol.com at fdinet Date: 1/20/99 5:00 PM To all: We are currently designing a piece of artwork to be hung from a ceiling of a musuem in Venice, Italy. I would really appreciate it if someone could tell me what is the correct seismic design coefficient for such a piece. We are currently basing our design on the 1994 UBC with Fp = ZICpWp = 0.80Wp, assuming Z = 0.40 for seismic zone 4, I = 1.0 for nonessentials, and Cp = 2.00 for nonstructural components "signs and billboards" or "exterior and interior ornamentations and appendages". Your input is appreciated. Ciao - Bruce Resnick, SE Parker Resnick Str. Eng.
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