Keeping an eye on cumulative/global deflections when designing roof trusses
The global deflection of a connected member system is the maximum overall deflection which results when the connected member system is loaded.
STUART BRANCH SENIOR DESIGN ENGINEER, MITEK
ON a recent site inspection to investigate reduced roof truss clearances over various internal walls, I came away thinking that if a bit more attention had of been paid to the potential for cumulative deflections at the time of detailing.
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