SCALED SHAKING TABLE TESTS SIMULATING THE DAMAGE OF THE SCHOOL GYMNASIUM IN THE 2016 KUMAMOTO EARTHQUAKE

 本研究は鉄骨置屋根体育館に関する一連の研究をレビューするとともに,2016年の熊本地震で被災したA体育館のアリーナ床レベルより上のRC 片持架構1スパンと立体トラス屋根を抽出した1/2.5縮小部分模型を用いた振動台実験の結果を解説しています。本研究は東工大(現科学大),防災科研,工学院大学,明治大学の共同研究の成果です。論文はこちら

The transverse out-of-plane response of the RC moment frame on the arena floor damaged a school gymnasium that was expected to function as a natural disaster shelter. It was composed of heavy RC substructure and a light steel roof, which partially collapsed, resulting in the facility’s permanent destruction in the 2016 Kumamoto earthquake. This study describes scaled shaking table tests that simulate out-of-plane response-induced damage to the RC moment frame of the school gymnasium during the 2016 Kumamoto earthquake and verifies the damage mechanism proposed by the previous numerical simulation and the efficiency of a response control by the friction damper support. Furthermore, the study validates two methods for evaluating the response of the RC moment frame and the overall buckling strength of the roof truss member with semi-rigid joints.

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