K型ブレースによるシアリンク制振機構を用いた木質架構の動的挙動

概要

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This paper proposes a series of so-called shear link type passive control systems, each of which consists of a damper and K-brace, in order to effectively reduce seismic response and damage of wood houses. Both velocity- and deformation-dependent dampers are included. Dynamic cyclic loading tests are conducted using full-size wood-frame specimens having the dampers, and their superior control performance is demonstrated. A unified method to assess passive control effectiveness is also proposed: it requires only two static tests of the frame without including any specific dampers of concern. Based on such tests, the method can predict dynamic characteristics and steady-state response without conducting further tests or analysis, which would be extremely useful when exploring frames and dampers of superior control performance.
2005-12-30