計算力学講演会講演論文集
Online ISSN : 2424-2799
セッションID: 113
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吊り天井脱落解析技術の高精度化および天井耐震化に関する数値解析的検討
*大村 浩之山下 拓三磯部 大吾郎
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In this study, the effectiveness of earthquake-resistant measures for suspended ceilings was examined through several finite element analyses of earthquake-resistant ceilings and three-types of partially earthquake-resisting ceilings (installation of 1. braces, 2. clearance beside walls, 3. reinforced clips). For the numerical analysis, the Adaptively Shifted Integration (ASI) – Gauss code was applied. Furthermore, the ceiling collapse simulation was improved by introducing the eccentricity of hangers to the numerical model of suspended ceilings. In the case of partially earthquake-resisting ceilings with braces installed, it was confirmed that the ceilings collapsed at the larger parts due to the differences of stiffness in the suspended ceilings than in the case of non-resistant ceilings.

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