(Updated January 1, 2025) The SDII research team led by Matt Eatherton at Virginia Tech (VT), Sam Easterling at Iowa
SDII Phase 1 Final Reports
Steel Diaphragm Innovation Initiative – Year 5 Final ReportThis is a final report for Year 5 of the overall five-year
ENR highlights SDII research
The Engineering News Record on 7 June 2021, authored by Nadine M. Post, released an article summarizing the research and
New SDII reports on modeling and testing
SDII researchers, led by Ph.D. candidate Raul Avellaneda-Ramirez and recent Ph.D. graduate Dr. Hamid Foroughi, developed two new SDII research
NEHRP 2020 Published
The newly available National Hazard Earthquake Reduction Program (NEHRP) Recommended Seismic Provisions for New Buildings and Other Structures: FEMA P-2082-1
Award Winning Papers
SDII student researchers recently took home two prizes at the Cold-Formed Steel Research Consortium Colloquium. Astrid W. Fischer, Graduate Candidate,
3D Seismic Performance of BRB-frame buildings
SDII researchers, led by Gengrui Wei and Matt Eatherton at Virginia Tech today released a report on the three-dimensional seismic
Standing Seam Roof Stiffness Test Report Released
The final report on recent standing seam roof stiffness and strength testing is complete and is now available at the
Beyond the cantilever – new full-scale tests planned
As part of the SDII effort full-scale diaphragm testing is being conducted at the STReSS Laboratory at Northeastern University to
New Steel Building Archetype Designs Released
SDII released version 2.0 of its steel building archetypes: download here. Building archetypes are fundamental to exploring and demonstrating the seismic behavior