Study on Dynamic Characteristics and Seismic Diagnosis Values of 2-storied Wooden Houses in Minamichita Town, Aichi Prefecture

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  • Katsuya IMAOKA
    Department of Architecture, Toyota National College of Technology
  • Haruka HIDAKA
    Civil Engineering and Architecture Course, Toyota National College of Technology
  • Kensuke KAWAI
    Civil Engineering and Architecture Course, Toyota National College of Technology
  • Takuya SHIRATANI
    Department of Architecture, Toyota National College of Technology

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Other Title
  • 愛知県美浜町の木造2階建住宅の振動特性と耐震診断値に関する研究
  • アイチケン ミハママチ ノ モクゾウ 2カイダテ ジュウタク ノ シンドウ トクセイ ト タイシン シンダンチ ニ カンスル ケンキュウ

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Abstract

In order to investigate the dynamic characteristics and evaluate the seismic diagnosis values of 2-storied wooden houses which were built before 1981, horizontal oscillating tests have been carried out using small-sized vibration generator in Mihama Town, Aichi Prefecture. As a result of about 40 houses of experiments, the natural frequency of the houses becomes lower when the ratio of the wall is smaller. And the torsional vibration amplitude from horizontal oscillating tests properly corresponds to the eccentricity of the house. Simulation analysis using lumped mass model is also carried out and the torsional vibration mode enough corresponds the measuredmode.

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