Practical guidance for seismically restraining piping and ductwork
Keywords:Ducts, Installation, Piping systems, Problem solving, Stress analysis, Structural design, Structural loads, Ductwork, Isolation hanger, Swinging motions, Swivels
AbstractThe problems most frequently encountered while seismically restraining of piping and ductwork are discussed. The 1995 NBC which offers guidance with respect to seismic design are also discussed. The adherence to the 12 inches or 6 inches rules is that the hanger rod must include a non-moment generating connection to the structure. The limit stop which comes into contact with the isolator housing and prevents upward motion of the rod is also discussed.
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