Behavior of Steel Rectangular Hollow Sections Subject to Blast Loading

Cameron B. Ritchie, Jeffrey A. Packer, Michael V. Seica, Xiao Ling Zhao

Research output: Journal article publicationJournal articleAcademic researchpeer-review

13 Citations (Scopus)


Large-scale far-field air-blast testing of cold-formed steel rectangular hollow sections (RHS) in flexure has been performed for the first time. These arena trials illustrated the excellent performance and ductility of cold-formed tubular steel members under extreme blast loads, without any fractures experienced in the cross section. These instrumented tests provided much performance data that enabled the validation of subsequent models, using both single-degree-of-freedom and explicit finite-element analysis. By means of a parametric numerical study, the behavioral models were used to illustrate the influence of key variables affecting the response. Guidance is then given for the preliminary selection of RHS flexural members for blast design applications to achieve various ductility ratios.

Original languageEnglish
Article number04017167
JournalJournal of Structural Engineering (United States)
Issue number12
Publication statusPublished - 2017
Externally publishedYes


  • Blast
  • Cold-formed steel
  • Dynamic effects
  • Explicit finite-element analysis
  • Field testing
  • Hollow structural section
  • Parametric study
  • Rectangular hollow section
  • Single-degree-of-freedom analysis

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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