Bottom Chord Live Load Concurrency and Truss Design

Research Report No.: 
1607-02
Issue Date: 
August 16, 2016
Update Date: 
August 16, 2016

Correct loading is key to proper truss design and results in safer trusses, better truss performance and ultimately lower costs. However, there currently is a discrepancy regarding concurrency of bottom chord live loads between ASCE 7, the IBC and the IRC. This report examines the discrepancy and the correct loading for proper truss design.

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