Experiments and Analysis of the Traditional Wood Structure Frame

Abstract eng:
To find the behavior of a wooden frame of a traditional structure system, experimental researches are performed. A temple(Deawoong-Jeon) of Bongjeong-sa built in the early stage of the tenth century is considered as a typical model. The interior frame of the temple has two exterior short columns and one inside high column called as Goju(high column) in crossbeam direction. At the top of the exterior column, Gongpo(Corbel bracket) is located to transfer the beam loads into columns. Subassembly of 1/2 scaled Gongpo and Goju frame is constructed and tested to find the force-displacement characteristics. Also a 1/2 scaled structural frame is constructed and tested for the comparison with analysis. From subassemblies of Gongpo and Goju frame, analytical models are proposed with shear and rotational spring, of which coefficients are obtained from the experiments. The envelope curve of each spring is presented by bilinear model. With the proposed model, a push-over analysis is performed and compared with the experimental results of the full interior frame. The force-displacement of the analysis of proposed model shows a good correspondence with that of the experiment within 2% story drift.

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