Identification of vibration properties of two-story wooden houses using subspace model identification method

Yuji Miyazu, Satsuya Soda

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    In this paper, the vibration properties of wooden houses were identified using subspace model identification method. First, using the numerical model of a two-story unsymmetric-plan wooden house, we compared two types of subspace model identification methods, PI-MOESP and POMOESP. Then, the vibration properties of the full-scale two story wooden house, which was used as the test frame for three-dimensional shake table tests, were identified. It is shown that, under severe earthquake ground motions, the natural period becomes about three times larger than the values under low-level vibration and the damping ratio becomes about 20%.

    Original languageEnglish
    Pages (from-to)409-419
    Number of pages11
    JournalJournal of Structural and Construction Engineering
    Volume83
    Issue number745
    DOIs
    Publication statusPublished - 2018 Mar 1

    Keywords

    • PI-MOESP
    • PO-MOESP
    • Shake table test
    • Subspace model identification
    • Two-story wooden house
    • Vibration property

    ASJC Scopus subject areas

    • Architecture
    • Building and Construction

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