Shake Table Tests of a Two-Storey Light Wood Framed House

Abstract eng:
Light wood framed house showed good seismic performance in past earthquakes, and it also had some shortage. The specimen for shake table tests is a full size two-storey light wood framed house, 6.0m by 6.0m in plan, and 6.3m in height. Symmetrical configurations with three types opening size and asymmetrical configurations were tested. The test results showed that specimen performed elastic and had no visual damage during the tests of 0.2g PGA. The tested symmetric building with progressively lager opening can withstand successive application of three different seismic ground motions in the order of 0.55g PGA without collapse. For asymmetrical building, the response of acceleration and displacement of specimen were larger than symmetrical building. Interstorey drift in the first story was generally bellow 1/500, 1/250 and 1/80 at nominal levels of 0.1g, 0.2g and 0.4g peak table acceleration. The light wood framed house specimen can meet the requirements for seismic intensity 8 described in China code for Seismic Design of building (GB 50011-2001).

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