Rotational Restraint in Girder-Supported Trusses

A Girder truss is one that is designed to be stronger than a standard truss in order to support other trusses and beams in a roof. When utilising a girder truss to support standard trusses perpendicular to it, the connection between the two must accomplish 3 things:

  • Support the Load.
  • Ensure Girder bottom chord cannot be separated from standard trusses.
  • Prevent rotational forces from being applied to the standard truss.

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