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研究生:羅勝宏
研究生(外文):Sheng-Hung Lo
論文名稱:鋼梁接圓形鋼管混凝土柱接頭耐震行為
論文名稱(外文):Seismic Behavior of Steel Beam to Concrete-Filled Circular Steel Tube Column Connections
指導教授:陳誠直
指導教授(外文):Cheng-Chih Chen
學位類別:碩士
校院名稱:國立交通大學
系所名稱:土木工程系
學門:工程學門
學類:土木工程學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:90
中文關鍵詞:梁柱接頭實尺寸試驗夾型鋼板鋼管混凝土柱
外文關鍵詞:beam-to-columnfull-scale testclamping plateconcrete-filled tube column
相關次數:
  • 被引用被引用:7
  • 點閱點閱:369
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:1
鋼管混凝土具有高強度、高勁度與韌性佳之優點,但其梁柱接頭細節不易設計,往往需要大量銲接方能達到設計要求。因此本研究設計一夾型板式接頭,其夾型鋼板貫穿鋼管並以開槽銲與鋼管接合,夾型鋼板延伸出柱面段則與鋼梁填角銲接合。藉由夾型鋼板貫穿鋼管將梁翼應力傳導入交會區,避免梁柱交接面應力集中;夾型鋼板自柱面延長段補強梁翼斷面,並於延長段末端形成塑鉸消散地震能量。
本文進行四組實尺寸梁柱接頭試驗,其中兩組試體設計為強柱弱梁,預期非彈性變形集中於夾型板末端塑鉸處,另兩組試體設計為低交會區剪力強度,預期非彈性變形集中於夾型板末端塑鉸處與梁柱交會區。實驗結果顯示夾型板式接頭可有效傳遞梁翼作用力至交會區。本研究採用軟化壓桿理論與混凝土圍束效應所提出交會區剪力強度預測理論,可有效預測夾型板式梁柱接頭交會區剪力強度。
Concrete-filled tube (CFT) columns possess several structural advantages such as stiffness, strength, and ductility. However, it is difficult to joint the steel beam to the circular CFT column due to its complexity. This research proposed a connection detail, which is by penetrating a pair of clamping plates through the tube and welding to the steel beam. The force-transferred mechanism of the connection is established by transferring the beam flange forces into the tube and concrete core through those clamping plates.
Four large-scale specimens were designed and fabricated to identify the possible failure mode. Test results indicate that the penetrated clamping plate connections possess the satisfactory connection strength and inelastic deformation ability required for the moment connection when the shear strength in the joint is adequately designed. Joint shear failure, presented by the shear cracking on the concrete inside the tube, is the controlled mode of failure for the flange plate connection with weak joint shear strength. The clamping plates are effective to transfer the beam flange forces into the concrete core. Proposed softened strut-and-tie model can predict the joint shear strength well.
中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表目錄 vi
圖目錄 vii
照片目錄 ix
第一章 緒論 1
1.1 研究背景 1
1.2 研究目的與方法 2
1.3 報告內容 2
第二章 文獻回顧 3
2.1 鋼管混凝土梁柱接頭型式 3
2.2 鋼管混凝土梁柱接頭相關文獻 4
2.3梁柱交會區力學模型 8
2.3 結論 14
第三章 夾型鋼板式梁柱接頭 16
3.1前言 16
3.2夾型板式接頭設計理念 16
3.3 梁柱交會區剪力強度 17
3.4 彎矩梯度設計與夾型鋼板厚度 19
3.5 銲接設計 19
第四章 實尺寸接頭試驗 21
4.1 試體規劃 21
4.2 試體製作 22
4.3 試驗設置 22
4.4量測系統 23
4.5 試驗程序 23
4.6 試驗結果 24
第五章 試驗結果討論 31
5.1 試體破壞模式 31
5.2 試體韌性能力 32
5.3 極限彎矩 34
5.4 勁度 35
5.5 剪力強度 36
第六章 結論與建議 38
6.1 結論 38
6.2 建議 39
參考文獻 40
附錄 夾型鋼板式接頭設計(試體ICP-L) 43
ACI Committee 352, Recommendations for Design of Beam-Column Joint in Monolithic Reinforced Concrete Structures, American Concrete Institute, 1997.
AISC, Seismic Provisions for Structural Steel Buildings, American Institute of Steel Construction, April 1997.
AISC, Seismic Provisions for Structural Steel Buildings (1997) Supplement No. 2, American Institute of Steel Construction, November 2000.
Alostaz, Y. M., and Schneider, S. P., “Analytical Behavior of Connection to Concrete-filled Steel Tubes,” Journal of Constructional Steel Research, Vol. 40, No.2, pp. 95-127, November, 1996.
Elremaily, A., and Azizinamini, A., “Experimental Behavior of Steel Beam to CFT Column Connections,” Journal of Constructional Steel Research, Vol. 57, pp. 1099-1119, 2001.
Elremaily, A., and Azizinamini, A., “Design Provisions for Connections Between Steel Beam and Concrete Filled Tube Columns,” Journal of Constructional Steel Research, Vol. 57, pp. 971-995, 2001.
Engelhardt, M. D., and Sabol, T. A., “Reinforced of Steel Moment Connections with Cover Plates: Benefit and Limitations,” Engineering Structures, Vol. 20, No. 4-6, pp.510-520, 1998.
FEMA-350, Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings, June, 2000.
Fukumoto, T., and Morita, K., “Elasto Plastic Behavior of Steel Beam to Square Concrete Filled Steel Tube (CFT) Column,” Proceedings of 6th ASCCS Conference, Composite and Hybrid Structures, Vol.1 pp. 565-572, 2000.
Kang, C. H., Shin, K. J., Oh, S. Y., and Moon, T. S., “Hysteresis Behavior of CFT Column to H-Beam Connections with External T-Stiffeners and Penetrated Element,” Engineering Structure, Vol. 23, pp. 1194-1201, 2001.
Mander, B. J., Priestley, N. J. M., and Park, R., “Theoretical Stress-Strain Modern for Confined Concrete,” Journal of Structural Engineering, Vol. 114, No.8, pp.1804-1826, 1988.
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Riches, J. M., Lu, L. W., Sooi, T. K., and Vermaas, G.., “Seismic Performance of CFT Column-to-WF Beam Moment Connection,” Connection in Steel Structures 3 Proceeding of the Third International Workshop, pp. 99-114, May, 1995.
Schneider, S. P., and Alostaz, Y. M., “Experimental Behavior of Connection to Concrete-filled Steel Tubes,” Journal of Constructional Steel Research, Vol. 45, No.3, pp. 321-352, September, 1998.
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