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TJI Multiple (Continuous) Span Charts

Span tables in the specifiers guide TJ- 4000 are restricted to the worst case of simple or continuous spans. In Technical Bulletin 811 we provide span tables for multiple (continuous) span Trus Joist® TJI® joists. A multiple, or continuous, span condition is defined as a TJI® joist having two or more spans along its length. Using TJI® joists in continuity has several advantages over simple span applications. Using joists continuously over several supports generally enhances floor performance by reducing deflection. Continuous framing will also reduce the number of pieces and speed up installation. Because of the reduced deflection, the joists can span farther in some cases. Below is the link for the technical bulletin that provides these span tables. Forte software can be used to check conditions that are not covered in the span tables. 

TB 811 - Trus Joist® TJI® Joist Multiple (Continuous) Spans Table

 

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