メカニカル・ファスナーで取付けられた耐震補強ブレースのオンライン地震応答・衝撃応答実験

概要

論文の詳細を見る
A possible upgrading technique for existing steel buildings with insufficient seismic strength is to replace an old bracing member by a new one or to install an additional bracing system. This paper proposes a installation technique of such a bracing system with fully mechanical interfaces without use of site welding, and examines the performance of steel buildings upgraded by such a system experimentally through quasi-static and dynamic loading tests and sub-structuring hybrid simulations under seismic loading and impulse loading as well. The interfaces worked well and the final failure occurred at the bolt-hole deducted portion of brace members. The final failure was postponed under cyclic reversals in comparison with that under monotonic loading. Thus, the bracing system of this kind is more vulnerable to impulsive earthquake loading.
一般社団法人日本建築学会の論文
2000-03-20