Structural performance evaluation tests of timber frameworks repaired with traditional method

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The objective of this study was to evaluate the effect of a joint of a column on the restoring force characteristics of timber frameworks, and to investigate the behavior of Tsuka (stud) between the horizontal upper beam and Sashigamoi beam in a timber framework. The joint of column improved the restoring force of the timber framework when used in stronger direction.Wider width of Tsuka increases the maximum restoring force of the timber framework. The rotation of Tsuka pushes the upper beam and Sashigamoi, and these horizontal members are bent. The bending behavior of these horizontal members is not fully assumed in the structural design of wooden houses.