Simulation of steel structures has advanced markedly in the finite element age and today models that include buckling and yielding
SDII modeling sheds light on interactions between inelastic walls and diaphragms in determining force demands
Using a simplified nonlinear mass-spring model this work provides an examination of how inelasticity in the vertical and horizontal (diaphragm)
Deep dive on warping of steel deck
A recent SDII conference paper provides additional insight on how bare steel deck diaphragms warp under shear. The paper provides
New Research Effort Focused on Seismic Collectors in Steel Buildings
The National Science Foundation has recently funded a team lead by Robert Fleischman (Arizona), Chia-Ming Uang (UC-San Diego), James Ricles
XSEDE Resources Crucial for SDII
SDII is pursuing advanced models of steel and steel-concrete systems. For many of these models the computational time is extreme,
SDII Building Archetype Released
Building archetypes are fundamental to exploring and demonstrating the seismic behavior of modern structures. No suitable archetypes or prototypes exist
SDII Test Database on Steel Deck in Shear Released
SDII announced today that the first version of its database on the tested performance of steel deck diaphragms is available.
Comprehensive report on tested performance of deck diaphragms released
This comprehensive survey on the tested performance of steel deck diaphragms indicates the expected ductility and overstrength in these critical
Challenges in simplified models for steel deck (updated July 2017)
Structural models of steel deck often cannot include all the details of the deck itself. In the past engineers have
SDII aids in seismic standards development
SDII researchers are assisting on a Building Seismic Safety Council (BSSC) issue team to develop improved standards for seismic design of diaphragms