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姓名 楊政達(Cheng-Ta Yang)  查詢紙本館藏   畢業系所 土木工程學系
論文名稱 非韌性鋼筋混凝土梁柱外接頭補強之研究
(Retrofitting of Non-ductile ReinforcedConcrete Exterior Beam-Column Joints)
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摘要(中) 本實驗主要在探討非韌性低強度混凝土梁柱外接頭採用混凝土擴柱補強工法及鋼板補強工法,並由不同補強工法,針對原型試體和補強試體之勁度、韌性及接頭剪力衰減等情形之異同加以分析,比較其補強成效。
由實驗結果得知,混凝土擴柱補強工法可有效使接頭剪力強度提升,使在梁接頭剪力破壞前先產生塑鉸且符合耐震需求;鋼鈑補強工法雖可提升接頭剪力強度,但補強效果較不及於混凝土擴柱補強方式。最後,根據對於梁柱接頭剪力強度衰減討論結果,針對混凝土擴柱補強工法及鋼板補強工法分別提出補強建議方針,以供國內RC梁柱接頭補強之參考。
摘要(英) This experiment was mainly aimed at exploring the advantage of retrofitting non-ductile and low-strength RC exterior beam-column joint by Concrete Jacketing and Steel Jacketing. A discussion was made through the differences in stiffness, ductility and joint shear degradation between benchmark and retrofitted specimen.
From the experiment results, we found that Concrete Jacketing scheme could efficiently improve the joint shear strength and make beam plastic hinge develop before joint shear failure, which is required by the seismic resistant design code and greatly improve the joint shear strength better than Steel Jacketing scheme.
Finally, from the behavior of joint shear degradation of retrofitted specimen, a retrofitted recommendation of Concrete Jacketing and Steel Jacketing is proposed for reference on further RC retrofitting schemes in Taiwan.
關鍵字(中) ★ 鋼筋混凝土
★ 梁柱接頭
★ 補強
關鍵字(英) ★ Beam-Column Joint
★ Reinforced Concrete
★ Retrofit
論文目次 中文摘要
英文摘要
目錄
表索引
圖索引
符號表
第一章 緒論
1.1 研究動機
1.2 研究目的
第二章 文獻回顧
2.1 現行美國規範回顧
2.2 軟化壓拉桿模型之剪力強度評估
2.3 Hakuto評估模式
2.4 典型早期梁柱接頭缺失
2.5 梁柱接頭補強
第三章 實驗規劃與執行
3.1試體規劃
3.2材料試驗
3.3試體設計
3.3.1原型試體JE1
3.3.2原型試體JE2
3.3.3混凝土擴柱補強試體JER1
3.3.4鋼板補強試體JER2
3.4試體製作3.5實驗設置
3.5.1梁柱接頭試驗
3.5.2位移量測系統
3.6實驗數據整理
第四章 試驗結果
4.1試體JE1
4.2試體JE2
4.3試體JER1
4.4試體JER2
第五章 分析與討論
5.1強度發展
5.1.1載重-位移關係
5.1.2試體破壞模式
5.2接頭剪力強度與剪力變形
第六章 結論與建議
6.1外接頭補強實驗
6.2實驗改進方向
6.3未來研究方向
參考文獻
附錄A 計算書
參考文獻 [1] 李宏仁,“鋼筋混凝土耐震梁柱接頭剪力強度之研究”,博士論文,國立台灣科技大學營建工程研究所,台北,民國89年5月(2000)。
[2] ACI Committee 318, “Building Code Requirements for Structure Concrete (ACI 318-99) and Commentary (ACI 318R-99),” American Concrete Institute, Farmington Hills,1999.
[3] Vecchio, F. J., and Collins, M. P.,“Compression Response of Cracked Reinforced Concrete, ” Journal of Structural Engineering,ASCE,Vol.119,NO.12,December 1993,pp.3590-3610.
[4] Zhang, L. X., and Hsu, T. T. C.,“Behavior and Analysis of 100Mpa Concrete Membrane Elements, ” Journal of Structural Engineering , ASCE, Vol.124, NO.1,January 1998,pp.24-34.
[5] Schäfer, K.,“Strut-and-Tie Models for the Design of Structural Concrete, ” Notes of Workshop, Department of Civil Engineering ,National Cheng Kung University,Tainan ,
Taiwan,March 1998,140pp.
[6] Paulay, T., and Priestley, M. J N., Seismic Design of Reinforced Concrete and Masonry of Buildings, John Wiley&Sons,1992,744pp.
[7] 黃世建、王國州、李宏仁,“鋼筋混凝土梁柱接頭之耐震設計與補強策略”,研討會手稿,台北,民國90年10月(2001)。
[8] Hakuto, S., Park, R., and Tanaka, H., 1995, Retrofitting of Reinforced Concrete Moment Resisting Frame, Research Report 95-4, Department of Civil Engineering, University of Canterbury, Christchurch, 390pp.
[9] Park, R.,“Seismic Assessment and Retrofit of Concrete Structures-Unites States and New Zealand Development” ,Proceedings of Technical Conference of New Zealand Concrete Society,Wairakei,1992,pp18-25.
[10] Sergio M.Alcocer and James O. Jirsa, “Strength of Rinforced Concrete Frame Connections Rehabilitated by Jacketing “ ACI Structural Journal, V. 90, No. 3, May.-June. 1993, pp. 248-261.
[11] GHOBARAH,A., Aziz,Tarek S.and Biddah Ashraf“SEISMIC REHABILITATION ”,Journal of Earthquake Engineering, Vol. 5, No 1(2001).
[12] 林恭弘,“梁柱接頭FRP補強研究”,碩士論文,國立台灣大學土木工程學研究所,台北,民國89年六月(2000).
[13] Liu,A.and Park,R.,“Seismic Behaviour And Retrofit Of Pre-1970s As-Built Exterior Beam-Column Joints Reinforced By Plain Bars”,Bulletin of the New Zealand National Society for Earthquake Engineering.
[14] GHOBARAH,A.and SAID,1.,“SEISMIC REHABILITATION OF BEAM-COLUMN JIONTS USING FRP LAMINATES”,Journal of Earthquake Engineering, Vol. 5, No 1(2001).
[15] Park, R., and Milburn, J. R.,”Comparison of Recent New Zealand and United States Seismic Design Provisions for Reinforced Concrete Beam-Column Joints and Test Results for Four Units Designed According to the New Zealand Code,” Bulletin of the New Zealand National Society for Earthquake Engineering, Vol. 16, No 1, March 1983, pp. 21-42.
[16] Uniform Building Code, International Conference of Building Officials, Whittier, California,1997.
[17] 高啟洲,“非韌性混凝土梁柱內接頭補強之研究”,碩士論文初稿,國立中央大學土木工程學研究所,民國91年七月(2002).
[18] ACI-ASCE Committee 352, “Recommendations for Design of Beam-Column Joints in Monolithic Reinforced Concrete Structures,”ACI Journal, Proceeding, Vol. 82, No. 3, May-June 1985, pp. 266-283.
[19]Hwang, S. J., and Lee, H. J.,“Strength Prediction for Discontinuity Regions by Softened Strut-and-Tie Model, ” Journal of Structural Engineering , ASCE, 2002, in press
指導教授 王勇智(Yung-Chih Wang) 審核日期 2002-7-10
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