配置雙橢圓形鋼板消能器之斜撐鋼構架耐震性能研究

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姓名

吳秉叡(Bing-Ruei Wu) 查詢紙本館藏

畢業系所

土木工程學系

論文名稱

配置雙橢圓形鋼板消能器之斜撐鋼構架耐震性能研究

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至系統瀏覽論文 (2027-8-31以後開放)

摘要(中)

本研究設計之理念源於前人設計之橢圓形鋼板消能器，據前人之研究發現，橢圓形鋼板消能器在承受拉力時能有效提升構架之強度，發揮出穩定且良好的消能性能，但在受到壓力時會因為挫屈的關係，導致強度的驟降。因此，本研究將兩個消能性能良好的橢圓形鋼板消能器並聯，搭配特殊滑動斜撐的設計，目的是使消能器之消能行為在受壓與受拉側平衡，以提高構架系統之耐震強度，亦使其消能行為更穩定。
為了評估其耐震性能及其可行性，本研究針對不同斷面深度和偏心距的試體進行了一系列的反復載重試驗。由試驗結果可以得知，此設計在受壓與受拉側之強度為平衡狀態，且沒有面外挫屈之行為發生。在配置斜撐系統於鋼構架中，此設計能有效維持主結構之完整性且提升其耐震性能，其強度能夠達到一般抗彎構架之1.6倍以上，累積總消能亦能提升1.8倍以上。由此可知，在抗彎構架中配置此設計之斜撐，能大幅升其承載能力與耐震性能，為一有效可行之設計。

摘要(英)

In this thesis, a new type of metallic yielding damper with special brace system is introduced and investigated, which is called Dual-oval plate damper. The idea of this design comes from the oval plate damper designed by predecessors. In the previous researches, it is found that the oval plate damper can effectively improve the strength of moment resisting frame when it is subjected to tensile force. However, in opposite side, the damper is easy to buckle because of the mechanism of steel material, and the strength is imbalance between two orientations. Therefore, a new development of oval damper is necessary.
To improve the seismic performance and avoid the different behavior in two directions , Dual-oval plate damper with special sliding brace system is designed to suffer forces in two independent ways, which means two sides of components can be deformed in tension and compression simultaneously. Besides mathematical calculation and numerical analysis, a series of cycling loading experimental tests were applied in this thesis to prove the seismic performance. It turns out the damper can balance strengths between tension and compression. And the result shows this new design not only can enhance the seismic performance of moment resisting frame effectively but also protect main structures from early yielding.

關鍵字(中)

★ 雙橢圓形鋼板消能器
★ 滑動斜撐
★ 抗彎構架

關鍵字(英)

★ Dual-oval plate damper
★ sliding brace system
★ moment resisting frame

論文目次

摘要 I
ABSTRACT II
目錄 III
表目錄 VIII
圖目錄 IX
照片目錄 XIII
第一章緒論 1
1-1 前言 1
1-2 研究動機與目的 2
1-3 研究內容與方法 3
1-4 論文架構 4
第二章文獻回顧 5
2-1 抗彎構架相關研究 5
2-2 梁柱接頭相關研究 6
2-3 同心斜撐相關研究 8
2-4 挫屈束制斜撐構架相關研究 8
2-5 曲線消能器相關研究 9
2-6 橢圓形鋼板曲線消能器相關研究 9
2-7 材料試驗相關研究 10
2-8 鋼結構設計相關規定 10
2-8-1 強柱弱梁設計[8] 11
2-8-2 梁柱彎矩強度比設計[8] 12
2-8-3 柱強度要求[8] 13
2-8-4 梁柱腹板交會區設計[8] 14
2-8-5 斜撐構材設計[8] 15
2-8-6 斜撐接合設計[8] 16
2-8-7 含被動消能系統建築物之設計 17
第三章理論分析 19
3-1 前言 19
3-2 雙橢圓形鋼板消能器 19
3-2-1 雙橢圓形鋼板消能器之受力分析 20
3-2-2 雙橢圓形鋼板消能器之強度計算 23
3-2-3 雙橢圓形鋼板消能器之剪應力計算 24
3-3 特殊滑動同心斜撐之設計與分析 25
3-4 等效阻尼比之計算 26
3-5 ANSYS有限元素模型建立 26
第四章實驗規劃與流程 32
4-1 前言 32
4-2 實驗規劃與研究參數 32
4-3 試體標號 33
4-3-1 構件試驗 33
4-3-2 構架試驗 33
4-4 試體製作 33
4-4-1 雙橢圓形鋼板消能器 33
4-4-2 斜撐系統 34
4-4-3 構架系統 34
4-5 試驗設備 34
4-6 試驗方法 36
4-6-1 構件試驗方法 37
4-6-2 構架試驗方法 37
4-7 加載歷時 38
第五章實驗結果觀察 40
5-1 前言 40
5-2 構件試驗之結果與觀察 41
5-2-1 DO-30-250 41
5-2-2 DO-30-290 42
5-2-3 DO-40-290 43
5-2-4 DO-45-290 44
5-3 構架試驗之結果與觀察 45
5-3-1 MF 45
5-3-2 FD-30-250 45
5-3-3 FD-45-290 46
第六章結果分析與比較 49
6-1 前言 49
6-2 構件試驗之結果比較 49
6-2-1 不同深度之試體承載性能比較 49
6-2-2 不同偏心距之試體承載性能比較 50
6-2-3 構件試驗之等效阻尼比 51
6-3 構架試驗之結果比較 51
6-3-1 FD-30-250與MF耐震性能比較 51
6-3-2 FD-45-290與MF耐震性能比較 52
6-3-3 構架試驗之等效阻尼比 53
6-4 有限元素分析與試驗之結果比較 53
第七章結論與建議 55
7-1 結論 55
7-2 建議 56
參考文獻 57

參考文獻

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指導教授

許協隆(Hsieh-Lung Hsu)

審核日期

2022-9-21

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