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姓名 李妤蓁(Yu-Chen Lee) 查詢紙本館藏 畢業系所 土木工程學系 論文名稱 應用消能鋼板及曲線消能器之隅撐鋼結構耐震行為研究
(Seismic Performance of Steel Knee Braced Frame Structures with Energy Dissipation Plates and Steel Curved Dampers)相關論文 檔案 [Endnote RIS 格式]
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摘要(中) 本研究對新提出之應用消能鋼板及曲線消能器之隅撐鋼結構耐震性能進行試驗並評估，於研究中配置不同尺度之曲線消能器，探討其應用性及各尺寸參數對整體構架承載性能之影響。此設計中，藉由將梁切成三段並以消能鋼板連接方式，將傳統隅撐抗彎構架之最大彎矩處轉移，避免其於梁與隅撐交界處產生塑性鉸，另搭配曲線消能器以提升其耐震性能。
為驗證此設計之可行性，本研究首先針對不同尺寸之曲線消能器進行構件試驗，以得知消能元件之遲滯行為，後以經由適當配置之不同尺度曲線消能器應用於構架中進行一系列載重試驗，其研究結果顯示，此設計能有效維持梁柱構件等主結構之完整性且提升勁度，整體構架強度可提升為1.3至2.7倍，整體構架總能量消散方面相較於未裝設曲線消能器之隅撐構架亦提升為1.3至2.0倍，由上述之研究結果可知，此設計可有效提升結構之承載性能，對於耐震效能提升設計，具有相當之可行性。摘要(英) This study focused on the performance evaluation and FEM analysis of steel knee braced frames with curved dampers. The purpose of this study is to prevent the formation of plastic hinges on the beam of traditional knee braced frames. Hence, a new design was proposed. In order to validate the effectiveness of the proposed knee braced frames, a series of cyclic loading tests with various damper dimensions were conducted. According to the experimental results, this design could maintain the main structures in elastic stage. Also, the results showed that significant improvement could be achieved by adding steel curved dampers to the knee braced frames. To be more specific, the strength and stiffness of the proposed design were effectively enhanced. Therefore, the applicability of this design was verified through experimental and numerical studies of the test frames. 關鍵字(中) ★ 隅撐構架
★ 曲線消能器
★ 消能鋼板
★ 耐震設計關鍵字(英) ★ Knee braced frames
★ Steel Curved dampers
★ Energy dissipation plates
★ Finite Element Analysis
★ Seismic Design論文目次 中文摘要 ................................................................................................................ I
ABSTRACT ........................................................................................................ II
致謝 .................................................................................................................... III
目錄 ...................................................................................................................... V
表目錄 .................................................................................................................. X
圖目錄 ................................................................................................................. XI
照片目錄 .......................................................................................................... XIX
第一章 緒論 ...................................................................................................... 1
1.1 前言 .......................................................................................................... 1
1.2 研究動機與目的 ...................................................................................... 3
1.3 研究方法與內容 ...................................................................................... 4
第二章 文獻回顧 .............................................................................................. 5
2.1 國內外相關研究 ...................................................................................... 5
2.1.2 抗彎構架相關研究 ........................................................................ 5
2-1-2 梁柱接頭相關研究 ...................................................................... 6
2-1-3 隅撐構架相關研究 ...................................................................... 8
2-1-4 曲線消能器相關研究 .................................................................. 9
VI
2-2 鋼結構設計相關規定 ........................................................................... 10
2-3-1 強柱弱梁設計[22] ....................................................................... 10
2-3-2 梁斷面要求[21] ........................................................................... 11
2-3-3 柱強度要求[21] ........................................................................... 11
2-3-4 梁柱腹板交會區設計[21] ........................................................... 12
2-3-5 AISC 壓力構件設計要求[22] ..................................................... 13
2-3-6 含被動消能系統建築物之設計[23] ........................................... 14
第三章 理論分析與有限元素模型建立 ....................................................... 16
3-1 構架勁度評估 ........................................................................................ 16
3-1-1 配置切削鋼板之隅撐抗彎構架系統 ......................................... 16
3-2 曲率評估 ................................................................................................ 19
3-3 消能鋼板強度 ....................................................................................... 20
3-4 曲線消能器之應力與強度 ................................................................... 21
3-5 ANSYS 有限元素分析軟體介紹 .......................................................... 23
3-6 有限元素分析模型建置 ........................................................................ 24
3-6-1 部件模組 (Geometry) ................................................................. 24
3-6-2 屬性模組 (Engineering Data)..................................................... 25
3-6-3 交互作用模組 (Connections) ..................................................... 25
3-6-4 分析步幅模組 (Analysis Step) .................................................. 26
VII
3-6-5 負載模組 (Load)......................................................................... 26
3-6-6 網格模組 (Mesh) ........................................................................ 27
3-6-7 分析作業模組 (Solution) ........................................................... 27
第四章 實驗規劃與流程 ................................................................................ 28
4-1 前言 ........................................................................................................ 28
4-2 實驗規劃與研究參數 ............................................................................ 28
4-3 試體編號 ................................................................................................ 30
4-3-1 曲線消能器構件試驗 ................................................................. 30
4-3-2 構架試驗 .................................................................................... 30
4-4 試體製作 ................................................................................................ 30
4-5 試驗設備 ................................................................................................ 31
4-6 試驗方法 ................................................................................................ 33
4-6-1 曲線消能器構件試驗 ................................................................ 33
4-6-2 隅撐構架試驗 ............................................................................ 34
4-7 加載方式 ................................................................................................ 35
第五章 實驗觀察與討論 ................................................................................ 36
5-1 前言 ........................................................................................................ 36
5-2 曲線消能器之構件試驗觀察 ............................................................... 36
5-2-1 曲線消能器SCD 120-80-30 ...................................................... 36
VIII
5-2-2 曲線消能器SCD 120-100-20 .................................................... 37
5-2-3 曲線消能器SCD 120-100-30 .................................................... 38
5-2-4 曲線消能器SCD 120-120-30 .................................................... 38
5-2-5 曲線消能器SCD 140-100-20 .................................................... 39
5-2-6 曲線消能器SCD 160-80-20 ...................................................... 39
5-2-7 曲線消能器SCD 160-80-30 ...................................................... 40
5-2-8 曲線消能器SCD 160-100-20 .................................................... 40
5-2-9 曲線消能器SCD 160-100-30 .................................................... 41
5-2-10 曲線消能器SCD 160-120-30 .................................................. 41
5-2-11 曲線消能器構件試驗小結 ...................................................... 42
5-3 隅撐構架試驗 ....................................................................................... 43
5-3-1 隅撐構架KBF ............................................................................ 43
5-3-2 隅撐構架KBFC 120-80 ............................................................. 44
5-3-3 隅撐構架KBFC 120-100........................................................... 46
5-3-4 隅撐構架KBFC 120-120........................................................... 48
5-3-2 隅撐構架KBFC 160-80 ............................................................. 49
5-3-3 隅撐構架KBFC 160-100........................................................... 51
5-3-4 隅撐構架KBFC 160-120........................................................... 53
5-4 隅撐構架試驗之小結 ..................................................................... 55
IX
第六章 實驗結果分析與比較 ........................................................................ 56
6-1 前言 ........................................................................................................ 56
6-2 強度比較 ................................................................................................ 56
6-2-1 曲線消能器構件試驗強度比較 ................................................ 56
6-2-2 構架試驗強度比較 .................................................................... 58
6-3 能量消散比較 ........................................................................................ 59
6-3-1 曲線消能器構件試驗消散能量比較 ........................................ 59
6-3-2 構架試驗消散能量比較 ............................................................ 61
6-4 構架試驗之曲線消能器相對位移比較 ............................................... 62
6-5 有限元素分析與探討 ............................................................................ 62
第七章 結論與建議 ........................................................................................ 64
7-1 結論 ........................................................................................................ 64
7-2 建議 ........................................................................................................ 65
參考文獻 ............................................................................................................. 67參考文獻 1. Krawinkler, H. (1978), “Shear in Beam-Column Joint in Seismic Design of Steel Frames”, Engineering Journal, AISC, Vol.15, pp.82-91.
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