What is the span limit for Steel open web joists?

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The span limit for steel open web joists is typically up to 65 feet. This is because open web joists are designed to support the tensile and compressive forces acting on them while remaining lightweight and cost-effective. Their configuration allows for longer spans compared to traditional solid beams, but practical limits exist based on structural integrity, loading conditions, and deflection criteria.

When spans exceed this limit, engineers often need to consider alternative systems or additional support to ensure safety and stability, as larger spans may compromise the load-bearing capabilities and deflection performance of the joists. Therefore, the correct span limit for steel open web joists is indeed tied to the standard guidelines and practices observed in the field, which generally reference up to 65 feet for these types of structural members.

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