Torsional effects on short-span highway bridges

Jun Yi Meng, Eric M. Lui

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


The torsional effects on short-span highway bridges are investigated for two situations: post-design asymmetric bridges and nominally symmetric bridges subject to seismically induced torque. The study indicates that for post-design asymmetric bridges the presence of accidental post-design asymmetric factors significantly influences the dynamic response of bridges having a small rotational to translational frequency ratio. For nominally symmetric bridges, the seismically induced torque often triggers rotational motions, which tend to aggravate the bridge deck displacements and magnify the shear forces of the supporting columns. If necessary, this torsional effect should be considered in the seismic design of bridges.

Original languageEnglish (US)
Pages (from-to)619-629
Number of pages11
JournalComputers and Structures
Issue number6
StatePublished - May 15 2000

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Modeling and Simulation
  • General Materials Science
  • Mechanical Engineering
  • Computer Science Applications


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