ANALYTICAL MODEL OF WOODEN BEARING/NONBEARING WALLS AND APPLICATION TO DYNAMIC ANALYSIS OF FULL-SCALE WOODEN HOUSE

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  • 木造用耐力/非耐力壁の復元力特性のモデル化と実大建物の動的解析への応用

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Abstract

This paper deals with the seismic response behavior of a full scale wooden house. The first part includes a shaking table test to examine the real seismic response behaviors of a two-story wooden house. The house was subject to some recorded earthquake ground motions in the three directions. Some low-level white noise ground motions are also used to see how stiffness and damping properties changes as the structural damage accumulates. The second part of the paper describes experimental study on load-deflection relations of bearing and non-bearing walls to be installed into the full scale house that is subject to shaking table test. Based on a series of static loading tests, analytical model to simulate mechanical behaviors of the whole structure is constructed by superposing such typical load-deflection models as degrading bilinear and slip models. The last part is an analytical study to confirm the availability of analytical model to simulate seismic response behaviors of the house. In the analysis, the influence of damping property on exactness of the seismic response prediction was also discussed.

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