Changes in out-of-plane vibration characteristics of unreinforced and reinforced walls of historic masonry buildings

Yasuhiro Nambu, Noriko Takiyama, Yasuhiro Hayashi

Research output: Contribution to journalArticle

Abstract

We report the changes in out-of-plane vibration characteristics due to the seismic retrofit of historic masonry buildings based on the result of microtremor measurement. Major findings from the research are as follows; (1) Natural frequencies increase nearly 1.1 to 1.9 times by reinforcement. And, the increasing rate of natural frequency becomes smaller as it becomes high order. (2) Using steel frame for reinforcement, out-of-plane deformation of masonry wall is restrained. And, using shear wall, it is restrained greatly. (3) 1 st damping factor doesn't change remarkable by reinforcement.

Original languageEnglish
Pages (from-to)165-168
Number of pages4
JournalAIJ Journal of Technology and Design
Volume19
Issue number41
DOIs
Publication statusPublished - Feb 1 2013
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Architecture
  • Building and Construction

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