| 研究生: |
陳聖文 Sen-Wen Chen |
|---|---|
| 論文名稱: |
A型隅撐鋼構架耐震性能研究 |
| 指導教授: |
許協隆
Hsieh-Lung Hsu |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2019 |
| 畢業學年度: | 108 |
| 語文別: | 中文 |
| 論文頁數: | 222 |
| 中文關鍵詞: | 隅撐構架 、A型隅撐 、耐震性能 、曲線消能器 |
| 外文關鍵詞: | Knee braced frames, A-knee brace, Seismic design, Curved damper |
| 相關次數: | 點閱:13 下載:0 |
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本研究針對具有曲線消能器之 A 型隅撐構架耐震性能進行探討,
研究中針對不同尺寸曲線消能器以及應用此消能器之隅撐構架分別
進行試驗以確認其應用性。
另外由曲線消能器之構件試驗結果得知曲線消能器在小位移比
0.38%至 0.56%之間,即進入塑性階段,由此開始消散能量,且在位
移比 7%之內皆不會發生破裂,顯示曲線消能器具有極佳韌性。
且另外由 A 型隅撐構架試驗結果得知,A 型隅撐構架具有適當之
位移放大機制,可有效利用曲線消能器消散能量,此外隅撐系統亦可
降低梁柱接頭之受力,延後梁端降伏之狀況。而構架初始勁度較抗彎
構架高約於 3.77 倍,且消能能力提升為 1.42 至 2.00 倍。由上述結果
可知,A 型隅撐構架可有效提升構架之承載性能。
關鍵字:隅撐構架、A 型隅撐、耐震性能、曲線消能器
This study focused on the performance evaluation of A-knee braced
frame. The purpose of this research is to confirm the applicability of A
knee brace to the framed structural design
According to the experimental results, curved damper started to
dissipate energy in early deformation stage and had exhibited ductility to
7% deformation ratio without crack. Experimental results of A-knee braced
frame tests show that deformation ratio of curved damper could be
amplified in the proposed A-knee brace design. Therefore, significant
contribution of energy dissipation from curved damper was validated.
Further comparisons showed that the initial effective stiffness of A-knee
braced frame was 3.77 times of that of the moment resisting frame. The
energy dissipation of the proposed A-knee braced frame was also increased
by 1.42 to 2.00 times. The significant performance improvements validated
the applicability of A-knee braced frame design.
Keywords: Knee braced frames, A-knee brace, Seismic design, Curved
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