頁籤選單縮合
題 名 | 低降伏強度鋼鋼板剪力牆之剪力挫屈及耐震行為=Shear Buckling and Seismic Behavior of Low Yield Point Steel Plate Shear Walls |
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作 者 | 陳生金; 張權; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 19:2 2007.06[民96.06] |
頁 次 | 頁239-250 |
分類號 | 441.55 |
關鍵詞 | 低降伏強度鋼; 鋼板剪力牆; 剪力挫屈; 非彈性挫屈; 能量消散; Low yield point steel; Steel plate shear wall; Shear buckling; Inelastic buckling; Energy dissipation; |
語 文 | 中文(Chinese) |
中文摘要 | 本文探討低降伏強度鋼(LYP鋼)剪力鋼板之剪力挫屈行為與承載機制,及LYP鋼板剪力牆之耐震行為。鋼板剪力牆之基本形式為利用一般結構鋼之梁柱構架為邊界構材,而剪力鋼板則採用LYP鋼。經由一系列剪力挫屈試驗研究可得知,LYP鋼鋼板在不同的寬厚比及邊界情況,所對應的剪力挫屈強度,以及其剪力挫屈發生時所對應之試體層間位移角。並建議對LYP鋼板非彈性剪力挫屈強度及非彈性側推強度之計算模式,其與實驗值比對甚為吻合。本研究亦再進行LYP鋼板剪力牆受反復載重實驗以探討其耐震性能,LYP鋼板寬厚比及梁柱接頭之形式為主要的研究參數,並探討各組LYP鋼板剪力牆於反復載重作用下之勁度、強度、韌性及性能消散的表現,研究結果顯示,所有試體皆有著良好的韌性及能量消散能力,且其極限側位移角皆可達5%,另外對於LYP鋼板剪力牆試體之極限強度亦可準確估算。本文最後並提出LYP鋼板剪力牆系統之相關設計建議。 |
英文摘要 | The inelastic shear bucking of low yield point (LYP) steel plate and the seismic resistant characteristics of LYP steel shear wall are examined in this reported research. In the YLP steel plate shear wall system, the LYP steel plate is selected for steel panel while the boundary frame is constructed by conventional structural steel. A series of experimental studies were carried out to examine the elastic and inelastic shear bucking of LYP plate under monotonic load. The effects of width-to-thickness ratio and different boundary conditions on the shear buckling of LYP steel plates were examined. A simplified model is suggested to evaluate the onset of shear buckling and the inelastic behavior of LYP steel plate with different aspect ratios. Good correlations were obtained from experimental studies and simplified analytical method. Cyclic loading tests were also carried out for LYP steel plate shear wall in order to examine its stiffness, strength, deformation capacity, and energy dissipation capacity. The effect of width-to thickness ratio of steel plate and the design of beam-to-column connections on the boundary frame were also studied. Excellent deformation capacities and energy dissipation capacities were obtained for all specimens tested. The LYP steel plate shear walls were able to maintain stably even have deformed to 5% of story drift angle. The ultimate strength of LYP shear wall can be predicted accurately as compared with experimental results. Based on these studies, suggestions are made for the design of LYP steel plate shear wall systems. |
本系統中英文摘要資訊取自各篇刊載內容。