Work on topology optimized floor diaphragms for maximum in-plane stiffness was presented at Nordic Steel 2019 in Copenhagen, Denmark and
Need for clarity on seismic design expectations for diaphragms revealed at SDII Workshop (full report available)
For buildings designed to current U.S. standards, in seismic events, do structural engineers expect damage in building diaphragms, or not?
“Big box” buildings with steel deck diaphragms in earthquakes
SDII investigator Ben Schafer released a report: “Research on the Seismic Performance of Rigid Wall Flexible Diaphragm Buildings with Bare
Improving seismic repair and rehabilitation design of steel deck diaphragms
The SDII team released a report: “Development of Steel Deck Diaphragm Seismic Design Provisions for ASCE 41/AISC 342” in the
SDII Workshop Scheduled for January 10, 2019 [updated]
The SDII Workshop will be held on January 10, 2019 at Hilton San Francisco Airport Bayfront, 600 Airport Blvd, Burlingame, CA
Cyclic push-out tests on concrete filled steel deck initiating
A series of cyclic push-out tests on specimens with shear studs and steel deck with concrete fill is initiating in
SDII Full-scale concrete-filled steel deck diaphragm tests underway
Concrete-filled steel deck is employed as a diaphragm in countless structural steel buildings. However, the available experimental data on cyclic
Research on seismic collectors progressing
The NSF-sponsored team focusing on seismic collectors in steel buildings, an effort highly compatible with the overall SDII initiative –
Impact of testing on shear performance of bare steel deck connectors
The performance of steel-to-steel connectors in shear are important for cold-formed steel deck diaphragms, but also for a variety of
Behavior of sidelap and structural connectors for bare steel deck characterized
Recent testing conducted by NBM Technologies provides cyclic characterization of both deck-to-deck sidelap and deck-to-frame structural connectors. The tests cover