具束制S型消能器之A型斜撐鋼構架耐震性能研究

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姓名

曾偉展(Wei-Chan Tseng) 查詢紙本館藏

畢業系所

土木工程學系

論文名稱

具束制S型消能器之A型斜撐鋼構架耐震性能研究

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至系統瀏覽論文 (2025-7-28以後開放)

摘要(中)

本研究針對新設計具束制之S型消能器進行探討，將其配置在A型斜撐中測試其性能且進行耐震評估，將S型消能器與前人設計之曲線消能器相做消能容量及強度分析比較，發現S型消能器在力量強度上相較曲線消能器可提升1.6倍，累計消能能提升至少2.5倍以上，其原因為將原本曲線消能器由單曲率改為雙曲率之S型消能器，因相同變位曲率增大的前提下，有效增加了消能容量，A型斜撐位移放大效果，能使S型消能器充分展現其良好的消能特性。
為驗證此設計之可行性，本研究首先針對不同尺寸之S型消能器進行
構件試驗，界定消能元件之遲滯行為，後經由適當配置之不同尺度S型消能器應用於構架中進行一系列載重試驗，研究結果顯示，配置束制S型消能器之A型斜撐構架能有效維持梁柱構件等主結構之完整性且提升勁度，斜撐構架強度可提升抗彎構架之1.6至2.1倍，整體構架總能量消散方面相較於未裝設束制S型消能器之構架亦提升為3倍以上，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 of A braced frame with S damper. The purpose of this study is to improve the curve damper have better strength and energy dissipation capacity, so S damper was designed. In order to validate the effectiveness of the proposed A braced frame with S damper, 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. S damper started to dissipate energy in early deformation stage and had exhibited ductility to 10% deformation ratio without crack. Experimental results of A braced tests show that deformation ratio of S damper could be amplified in the proposed A brace design. To be more specific, the brace 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)

★ A型斜撐構架
★ 束制S型消能器
★ 耐震性能

關鍵字(英)

★ A braced frame
★ S damper
★ Seismic design

論文目次

摘要 I
ABSTRACT II
目錄 III
表目錄 VII
圖目錄 IX
照片目錄 XIV
第一章緒論 1
1-1前言 1
1-2研究動機與目的 1
1-3研究內容與方法 3
1-4論文架構 3
第二章文獻回顧 5
2-1抗彎構架相關研究 5
2-2同心斜撐相關研究 6
2-3梁柱接頭相關研究 6
2-4挫屈束制斜撐構架相關研究 9
2-5曲線消能器相關研究 9
2-6 A型斜撐相關研究 10
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 11
2-8-2梁斷面要求 12
2-8-3柱強度要求 12
2-8-4梁柱腹板交會區設計 12
2-8-5含被動消能系統建築物之設計 14
第三章理論分析 15
3-1前言 15
3-2具束制S型消能器 15
3-2-1 S型消能器內力分析 19
3-2-2 S型消能器應變能分析 20
3-3A型斜撐強度分析 20
3-3-1 A型斜撐內力分析 20
3-3-2A型斜撐應變能 21
3-3-3 A型斜撐與S型消能器關係推導 21
3-4 A型斜撐構架勁度分析 24
3-5 ANSYS有限元素模型建立 26
第四章實驗規劃與流程 31
4-1前言 31
4-2實驗規劃與研究參數 31
4-3試體標號 32
4-3-1 S型消能器之A型斜撐構件試驗 32
4-3-2A型斜撐構架試驗 32
4-4試體製作 32
4-5試驗設備 33
4-6試驗方法 34
4-6-1具束制S型消能器之A型斜撐試驗方法 34
4-6-2抗彎構架試驗方法 35
4-7加載歷時 36
第五章實驗結果觀察 38
5-1前言 38
5-2 具束制S型消能器之A型斜撐承載行為 39
5-2-1 S-70-90-30 39
5-2-2 S-70-80-30 39
5-2-3 S-70-100-20 40
5-2-4 S-70-100-20 NR 41
5-2-5 S-90-100-30 42
5-2-6具束制S型消能器性能比較 43
5-3具束制S型消能器之A型斜撐構架承載行為 44
5-3-1 AF-70-90-30 44
5-3-2 AF-70-80-30 45
5-3-3 構架試驗性能比較 46
第六章結果分析與比較 47
6-1前言 47
6-2具束制S型消能器之A型斜撐試驗結果比較 47
6-2-1不同深度之具束制S型消能器強度比較 47
6-2-2有無束制之具S型消能器強度比較 48
6-2-3 具束制S型消能器之斜撐承載性能比較 48
6-2-4具束制S型消能器之A型斜撐&構架等效阻尼比 49
6-3具束制S型消能器與曲線消能器實驗承載性能比較 50
6-3-1具束制S型消能器與曲線消能器力量強度實驗比較 50
6-3-2具束制S型消能器與曲線消能器累計消能實驗比較 50
6-3-3具束制S型消能器與曲線消能器勁度實驗比較 51
6-3-4具束制S型消能器與曲線消能器實驗承載性能比較 51
6-4具束制S型消能器與相同降伏強度曲線消能器承載性能比較 51
6-4-1曲線消能器模擬分析 52
6-4-2相同材料強度之S型消能器與曲線消能器承載性能比較 52
6-4-3曲線消能器之A型斜撐構架模擬分析 53
6-4-4相同材料強度之S型消能器與曲線消能器構架承載性能比較 54
6-5具束制S型消能器之A型斜撐構架與抗灣架承載行為比較 54
6-5-1 FS-70-90-30與MF承載性能比較 54
6-5-2 FS-70-80-30與MF承載性能比較 55
6-6配置具束制S型消能器及曲線消能器之A型斜撐構架比較 55
6-7有限元素分析軟體與試驗數據比較 56
第七章結論與建議 58
7-1結論 58
7-2建議 59
參考文獻 60

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指導教授

許協隆(Hsieh-Lung Hsu)

審核日期

2020-7-28

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