James obviously has the wrong forum. I would think an architectural or structural forum is what he wants. I can only hope those forums are as well managed, dynamic, helpful and open as TREG.
Has anyone suggested a search engine? Duane ------------------------------------------- On Fri, 10 May 1996, James Cohen wrote: > Hello. As a newcomer to this newsgroup, I am very impressed with the extent > of > communication between individuals. Most of the conversations appear to center > on the electrical characteristics or protocols of communications equipment > and > interfaces. My own interests are in the structural/physical environment in > which these devices are installed - gantries, beams, towers, false ceilings, > raised floors, cabinets, etc. > > A question for everyone - to what extent are these devices being designed to > withstand blast or earthquake? The former is a big issue for lifeline and > high-security installations and is still in the developmental stages for > buildings, bridges, etc. The latter is a major concern to everyone in high > seismic risk areas and is already well researched for large structures. > However, I am not aware of much being done for equipment supports, fixtures, > cabinets, etc. and have not heard anything regarding the electrical > components > themselves. Some research I was involved in back in 1985 (approx) for impact > resistant instrumentation indicated that protecting switches, circuit boards, > etc., had not been undertaken. > > Areas of concern would include maximum dynamic loads, maximum dynamic > deflections, stress and corrosion fatigue and resistance to impulse loads. > > Any thoughts? >
