博碩士論文 983202024 詳細資訊




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姓名 張哲豪(Che-hao Chang)  查詢紙本館藏   畢業系所 土木工程學系
論文名稱 中空鋼骨鋼筋混凝土耐震補強有效性研究
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摘要(中) 本研究針對不同破壞程度之中空鋼管鋼筋混凝土進行耐震補強探討,研究中以不同補強方式進行組合,探討其補強之效益。補強前後之試體分別以軸力與反復彎矩,進行測試,探討其補強後極限強度回復率、強度遞減率、能量消散能力、韌性以及勁度等結構性能。實驗結果顯示,在中等或嚴重程度破壞下,採用中空鋼管填充混凝土、主筋補強、鋼板補強以及剪力連結器配置之組合進行補強,可使試體極限彎矩強度有效恢復至與原始試體相當,故本研究研議之補強組合為一有效之補強方案。另由實驗結果比較亦發現,鋼板補強,對構件彎矩強度的回復、強度遞減速率的減緩,能量消散的增加,韌性比的提升以及勁度的回復,皆有顯著的效果。惟過大厚度之鋼板補強,則無必要。
摘要(英) Composite members comprising of structural steel and reinforced concrete are commonly used for earthquake-resistant purposes. The ductility and the stiffness of the structures can be enhanced by the encased steel and the reinforced concrete, respectively. For composite structures subjected to medium to major earthquakes, the structural members will usually suffer from damages with various extents. In order to restore the structural usefulness, adequate remedies to retrofit the structural members are essential.
This study focused on the performance evaluation of hollow composite members retrofitted with various strengthening schemes. The strengthening proposals included the in-filling of concrete to the encased hollow tubes, replacement of longitudinal bars and steel jacketing of the damaged areas, respectively.
The members were tested under combined axial and cyclic lateral loads. Test results showed that the efficiency of the strengthening method was affected by the initial state of the damage. Comparisons on the member responses also showed that the strength, ductility and energy dissipation capacity of the strengthened members were adequately restored which justifying the effectiveness of the proposed strengthening methods.
關鍵字(中) ★ 中空鋼骨鋼筋混凝土結構
★ 鋼板補強
★ 耐震補強
關鍵字(英) ★ SRC
★ Steel jacket
★ Reinforcement
論文目次 摘要 I
ABSTRACT II
誌謝 III
目錄 V
表目錄 IX
圖目錄 X
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 研究方向與內容 3
第二章 文獻回顧 4
2-1 國內外相關研究 4
2-2 國內外SRC 相關規範 7
2-2-1 美國ACI 設計規範[ 1 ] 7
2-2-2 美國AISC 設計規範[ 2 ] 7
2-2-3 日本AIJ 設計規範[ 3 ] 8
2-2-4 國內SRC 結構設計規範[ 19 ] 9
第三章 理論闡述 11
3-1 極限彎矩強度計算 11
3-1-1 諧和應變法 11
3-1-2 疊加法 16
3-2 軸力對彎矩影響之修正 17
3-3 補強方式對極限彎矩強度之影響 18
第四章 實驗規劃與流程 21
4-1 實驗規劃 21
4-2 研究參數 23
4-3 試體編號說明 24
4-4 試體製作 25
4-5 實驗設備 31
4-6 實驗方法與流程 33
第五章 實驗觀察與比較 35
5-1 實驗觀察 35
5-1-1 第一次試驗(補強前) 35
5-1-2 第二次試驗(補強後) 39
5-2 破壞模式比較 48
5-2-1 無鋼板補強以及無主筋補強試體 48
5-2-2 無鋼板補強以及主筋補強試體 49
5-2-3 鋼板補強試體 49
第六章 實驗結果分析 51
6-1 主筋補強之可行性 51
6-2 剪力連結器對補強鋼板之影響 52
6-3 極限彎矩強度 52
6-3-1 第一次試驗(補強前) 52
6-3-2 第二次試驗(補強後) 53
6-4 強度衰減速率 56
6-5 能量消散 57
6-6 韌性比之探討 59
6-7 補強前後之試體勁度 61
第七章 結論與建議 62
7-1 結論 62
7-2 建議 63
參考文獻 64
圖表與照片 67
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[ 19 ] 鋼骨鋼筋混凝土構造(SRC)設計規範與解說,內政部營建署,台北市,2011。
[ 20 ] 鄭立輝,「局部填注之中空雙鋼管混凝土複合構件韌性行為研究」,碩士論文,國立中央大學土木工程研究所,中壢市,1998。
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指導教授 許協隆(Hsieh-Lung Hsu) 審核日期 2012-12-10
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