Seismic response control of highway bridges by variable damper

Kazuhiko Kawashima, Shigeki Unjoh, Hideyuki Shimizu

Research output: Contribution to conferencePaperpeer-review


This paper presents analytical and experimental studies on the dynamic characteristics of a variable damper developed at the Public Works Research Institute. Effectiveness of the variable damper for seismic response control of highway bridges is analytically investigated. A small-size model of the variable damper is developed and the dynamic characteristics through the dynamic loading tests is also presented.

Original languageEnglish
Number of pages14
Publication statusPublished - 1992 Sep
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)


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