This article will explore the importance of seismic resistance in cable trays, discuss when seismic braces are necessary, and help you understand how to make informed decisions for your installation. Cable tray runs in seismic zones need more than normal hanger spacing. A standard trapeze support carries gravity load; it does not reliably stop lateral sway, longitudinal movement, anchor pullout, or cable spill during ground motion. A coordinated seismic bracing system uses strut channels. Here, I'll explain how I make sure cable trays stand strong in areas that get hit by earthquakes. I'll share what I've learned about the design principles, methods, and how I put them into practice. When an earthquake happens, the ground really shakes. Cablofil adapts to the most complex configurations, and its structure gives maximum strength for minimum weight. If these. Notice: This guide was prepared by the Vibration Isolation and Seismic Control Manufacturers Association (VISCMA) under a cooperative agreement between the Federal Emergency Management Agency (FEMA) and the American Society of Civil Engineers (ASCE). Any opinions, findings, conclusions, or.
[PDF Version]