The American Iron and Steel Institute has published a new research report, “RP23-01: Analytical Equations for Critical Local Buckling Stress of Lipped Channels.” The report provides analytical equations for calculating the critical load buckling stress of lipped channels with or without punchouts under compression and bending. The research was funded by AISI and the Steel Framing Industry Association and performed under the Cold-Formed Steel Research Consortium. RP23-01 is available for free download in the AISI Design Resources section at www.buildusingsteel.org.
“This report provides equations that will make it easier for engineers and architects to use the Direct Strength Method for their projects, which can result in more cost-effective and sustainable designs with less embodied carbon,” said Jay Larson, P.E., F.ASCE, managing director of AISI’s Construction Technical Program.
He noted that RP23-01 is the result of a project selected through AISI’s Small Project/Fellowship Program, which identifies and provides funding for research projects that will significantly impact the reliability, performance and cost-competitiveness of cold-formed steel in construction.
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