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WJE Primer: An Overview of Open Web Steel Joists

 

The owner or manager of a building that features open web steel joist framing systems for the floors and/or roof may occasionally wonder if they are strong enough to support new or additional loads, and, if not, whether they can be modified to do so. This WJE Primer is intended to provide building owners and managers with a basic understanding of these common structural members, including their history, their unique features, and certain challenges associated with their evaluation and modification.