题名

耦合結構牆性能化抗震設計法

并列篇名

Performance-based design for earthquake-resistant coupled structural walls

DOI

10.6849/SE.201703_32(1).0003

作者

洪崇展(Chung-Chan Hung)；盧威廷(Wei-Ting Lu)；鄭宇翔(Yu-Hsiang Cheng)

关键词

耦合結構牆 ； 性能化設計 ； 抗震行為 ； 結構設計 ； coupled structural walls ； performance-based design ； nonlinear time-history analysis

期刊名称

結構工程

卷期/出版年月

32卷1期（2017 / 03 / 01）

页次

49 - 70

内容语文

繁體中文
中文摘要

耦合結構牆乃由兩座以上之結構牆，由連接梁結合成一體之結構物，常用以增加位處地震頻繁區域內中高層建物之側向強度與勁度。現今耐震設計規範乃基於強度設計法，雖可確保結構物於強震下之安全，卻無法使設計者或使用者得知結構物於不同層級地震下之預期行為。本研究目標為發展耦合結構牆之性能化設計法，允許設計者選定不同地震災害等級下之結構性能目標，依此目標以及選定之耦合率進行結構設計，並使耦合結構牆得以於地震時展現理想之降伏消能機制，充分發揮非彈性變形消能之能力。文中以四座耦合結構牆為設計範例，闡述設計流程，並建立其有限元素分析模型，以非線性動態歷時分析，模擬耦合牆系統之地震行為，分析結果顯示，使用本文建議之性能化設計法，不僅可使耦合牆系統展現良好之降伏消能機制，並可於不同地震災害層級下，分別達成預設之性能目標。
英文摘要

Coupled structural walls are often used in the buildings located in regions with high seismic risk. A coupled wall structure consists of two or more structural walls linked by coupling beams. It is able to provide efficient lateral strength and stiffness, which effectively reduces the drift response of buildings under earthquakes. Current seismic design codes are based on strength methods. Although they are able to prevent structures that are designed accordingly from collapse, the designers and users have limited knowledge about the seismic behavior of the designed structures under different levels of earthquakes. The objective of the present study is to develop a performance-based design method for coupled walls. The developed method allows engineers to pre-select the desirable coupling ratio and performance objectives for coupled walls, and then design the structures accordingly. In addition, it also facilitates the ideal yielding mechanism of coupled walls under earthquakes. Four example coupled wall structures are designed in this study using the proposed method. Their computational models are also built and analyzed using nonlinear time history procedures. The results show that the designed coupled walls are able to exhibit satisfactory structural yielding mechanisms and show the seismic behavior satisfying the pre-selected performance objectives for different seismic hazard levels.
主题分类 工程學 > 工程學總論
工程學 > 土木與建築工程
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