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題 名 | 多層L形建築物偶合扭矩效應之研究=The Study of Torsional Coupling Effects of Multi-Stories Buildings in L-Shape |
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作 者 | 莊慶福; 王偉哲; 陳博亮; 李增欽; | 書刊名 | 聯大學報 |
卷 期 | 11:2 2014.12[民103.12] |
頁 次 | 頁261-281 |
分類號 | 441.571 |
關鍵詞 | 扭轉偶合; 雷利-雷茲法; 何勒法; Torsional coupling; Rayleigh-Ritz method; Holzer-method; |
語 文 | 中文(Chinese) |
中文摘要 | 依據建築物耐震設計規範之規定,20公尺以上或五層樓平面不規則建築物需進行動力分析,平面不規則之影響將反應於扭轉偶合效應,其可能造成結構分析很大的差異。本文依據剪式建築支承於剛性地盤及變形為線彈性之假設,採用反應譜動力分析,以探討多層L形建築物偶合扭矩之地震反應。本文分析9種L形平面不規則建築物,三、六、九、十二及十五層樓高度變化,以考慮偶合扭矩隨樓層高度之變化,得到樓高每增加3層底層偶合扭矩值九樓以下以110%倍率遞增,十二樓、十五樓增幅分別為70%、50%之結論,且求得45種多層L形建築物偶合扭矩與樓層高度變化之關係曲線,可提供設計者對於多層L形不規則建築物規劃及初步設計時參考。 |
英文摘要 | Based on the design codes of earthquake resistance in buildings, a dynamic analysis is required in structure analysis for building with height over 20 meters or 5 stories building with irregularity in plane. Irregularity in plane may cause the torsional coupling effects in buildings. This can result in major difference in structure analysis of buildings. This study aims to construct a model with considering shear-type buildings on rigid ground and linear deformation. This model adopts a spectrum dynamic analysis to investigate earthquake response of multi-stories building with L shape. The torsional coupling effect of 9 types L-shape buildings with plane irregularity in 3, 6, 9, 12, and 15 stories of height was investigated. The coupling torsion increases 110% for incremental in height of 3 stories. Torsion increase 70% in 12 stories buildings and 50% in 15 stories buildings. This study develops an interaction diagrams of 45 cases of coupling torsions with various building heights, which can provide quick guide for engineers in design or planning for L-shape multi-stories building with plane irregularity. |
本系統中英文摘要資訊取自各篇刊載內容。