SDII Phase 1 Final Reports

Steel Diaphragm Innovation Initiative – Year 5 Final Report
This is a final report for Year 5 of the overall five-year plan for the Steel Diaphragm Innovation Initiative (SDII). The SDII is a multi-year industry-academic-government partnership to advance the seismic performance of steel floor and roof diaphragms utilized in steel buildings.

Steel Diaphragm Innovation Initiative – Year 5 Final Report Addendum
This report provides a summary of the building bay testing of Task 5.6 which was conducted during 2021. See above to read the Steel Diaphragm Innovation Initiative – Year 5 Final Report.