床スラブに接着したシアキープレートによる鋼構造用耐震補強ブレースの接合方法に関する実験研究

概要

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Incorporating additional braces is representative method for seismic retrofit for steel structure. On this occasion, noise and vibration often break out by welding and floor concrete removal during the site work, so seismic retrofits are hard to enforce. The former report proposed a joint method using epoxy resin and chemical anchors. This joint method had less noise and vibration, on the other hand, caused tension stress on the surface of concrete. This paper proposes the improved joint method by using a shear-key plate. This method doesn't directly adhere the joint element to a concrete, adheres a shear-key plate to concrete. This paper reports about the loading tests of the joint portion and the cyclic loading tests of frames to evaluate the dynamic characteristics of this joint.
2005-10-30