Research

Kim, U., Sputo, T., Blum, H. B. (May 2024). Modified Slenderness Ratio of Joist Chord Members

Sippel, E. J., Ziemian, R. D., Blum, H. B. (March 2022). Buckling behavior of open-web steel joists and joist girders, Structural Stability Research Council, Proceedings of the Annual Stability Conference

Sippel, E. J., Ziemian, R. D., Blum, H. B. (August 2022). Flexural-Torsional Buckling of Double Angle Joist and Joist Girder Chords

Simpson Gumpertz & Heger Inc. (January 2011). Parameter Study to Assess Modifications to the SJI Design Equations for Buckling of HSLA-V Steels

White Paper

Davis, B. (October 2025). Natural Frequency Lower Limit for Floors