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系統識別號 U0026-0812200911112582
論文名稱(中文) 正方形鋼筋混凝土板補強研究
論文名稱(英文) The Study of Strengthened Square Reinforced Concrete Slabs
校院名稱 成功大學
系所名稱(中) 土木工程學系專班
系所名稱(英) Department of Civil Engineering (on the job class)
學年度 92
學期 2
出版年 93
研究生(中文) 黃南銘
研究生(英文) Nan-Ming Huang
學號 n6790118
學位類別 碩士
語文別 中文
論文頁數 91頁
口試委員 指導教授-胡宣德
口試委員-吳致平
口試委員-陳正誠
口試委員-黃炯憲
中文關鍵字 非線性有限元素分析  粘結層  補強  雙向板  碳纖維  複合材料 
英文關鍵字 CFC  Two-Way Slab  Composite  Strength  Nonlinear finite element analysis 
學科別分類
中文摘要 本文使用ABAQUS套裝軟體模擬文獻中以複合材料補強鋼筋混凝土板之模型,以驗證數值分析模式之可靠度。並依據實驗結果在數值模擬程式中加入複合材料應變控制及複合材料粘結層剪應力控制兩個破壞準則,再根據這些破壞準則,中斷數值模擬程式運算,以程式中斷時求得之外力,視為極限載重。本文並研究各種不同補強方式,歸納數值模擬結果,以迴歸方式得到預測補強極限強度的函數,尋求最佳補強方式。
英文摘要 This paper presents a reasonable numerical model for reinforced concrete structures strengthened by FRP. Proper constitutive models are introduced to simulate the nonlinear behaviors of reinforced concrete and FRP. There are two failure criteria to control whether the program should be stopped or not, say FRP strain control and interfacial strength of FRP-to-concrete joint control. The finite element program ABAQUS is used to perform the nonlinear failure analysis of the discussed problems. The validity of the proposed material models and the failure criteria is verified with experimental data and some strengthening schemes are discussed in detail for engineering applications. It has been shown that the use of fiber-reinforced plastics can significantly increase the stiffness as well as the ultimate strengths of reinforced concrete slabs. In addition, a curve fitting function of the numerical results is presented to predict the ultimate strength of the reinforced concrete slabs strengthened with FRP.
論文目次 目錄
摘要...............   Ⅰ
目錄...............   Ⅱ
第一章 緒論    1
1.1本文目的.......      1
1.2本文內容及架構....      2
1.3文獻回顧.......      2
第二章 鋼筋混凝土的材料行為.    6
2.1鋼筋的材料特性.......... 6
2.2混凝土的材料特性.......  8
2.2.1混凝土的單軸行為..... 8
2.2.2混凝土的雙軸行為...   12
第三章 混凝土材料組合率.      13
3.1應力不變量......      13
3.1.1主應力及其不變量.     13
  3.1.2偏差應力張量和其不變量.. 15
3.1.3八面體應力.....  17
3.2降伏判斷準則......    19
3.2.1崔斯卡降伏準則....   20
3.2.2孟米瑟降伏準則....   20
3.2.3莫耳-庫倫降伏準則...  21
第四章 ABAQUS對混凝土材料之模擬.  24
4.1開裂簡介及模式說明....    24
4.2混凝土的彈-塑性模式...   25
4.2.1應變率.......    25
4.2.2壓力降伏......    26
4.2.3材料硬化......     27
4.2.4塑性流.......     28
4.3開裂檢測與彈性損壞..     30
4.3.1應變率.......     31
4.3.2降伏....... .    31
4.3.3塑性流.......    32
4.3.4材料硬化......     32
4.3.5彈性損壞......    33
第五章 複合材料之勁度矩陣...   36
5.1材料的應變與應力關係(材料主軸座標 1-2-3)36
5.2複合材料破壞準則 ......    38
5.3材料的應變與應力關係(元素座標 X-Y-Z) 40
5.4合應力與合力矩關係.... .    41
第六章 實驗模型數值模擬... .    43
6.1實驗試體概述...........    43
6.2有限元素模型...........    44
6.2.1 混凝土板元素........    44
6.2.2 碳纖維元素.........    46
6.2.3 鋼筋模擬......   47
6.3碳纖維參數...........     48
6.4 粘結層材料參數.........    49
6.5 鋼筋混凝土及補強極限強度數值模擬..  49
6.5.1 補強破壞模式.........   49
6.5.2 碳纖維極限應變........ 50
6.5.3 粘結層剪應力...     51
第七章 複合材料補強之效果. .....    55
7.1 TYPE 1補強............    55
7.2 TYPE 2補強............    60
7.3 TYPE 3補強............    62
7.4 數值模擬數據統計迴歸.......    66
7.5 預估碳纖維補強正方形鋼筋混凝土板極限外力 68
第八章 結論與建議...........   70
參考文獻................   72
附錄 A 鋼筋混凝土板試體ABAQUS輸入資料.   74
附錄B鋼筋混凝土補強板試體ABAQUS輸入資料   76
附錄C碳纖維應變控制破壞準則副程式...   80
附錄D碳纖維粘結層剪應力控制破壞準則副程式 86
參考文獻 [1] 林文賓,"纖維複材疊層板在單軸及雙軸張力載重下之非線性破壞分析",國立成功大學土 木工程研究所博士論文,民國九十年十二月.
[2] 楊朝傑,”碳纖維複合物於RC樓板結構之補強”,國立台灣科技大學營建工程系碩士論文, 民國九十二年七月
[3] Chen, W. F., Plasticity in Reinforced Concrete, First Edition, McGraw-Hill, 1982
[4] Cook, R. D., Malkus D. S. and Plesha, M. E., Concepts and Application of Finite Element Analysis, Fourth Edition, Wiley, New York, 2002.
[5] Chajes, M. J., Finch, W. W., Jr, Januszka, T. F. and Thomson, T. A., “Bond and Force Transfer of Composite Material Plate Bonded to Concrete”, ACI Structural Journal, March-April 1996, pp. 208-217
[6] Gibson, R. F., Principle of composite material mechanics, First Edition, McGraw-Hill, 1994
[7] Hibbitt, Karlsson, and Sorensen, Inc., ABAQUS User and Theory Manuals, Version 5.8, Providence, RI, 2000. Hibbitt, Karlsson, and Sorensen, Inc., ABAQUS User and Theory Manuals, Version 5.8, Providence, RI, 2000.
[8] Hiroyuki, Y. and Wu, Z. “Analysis of debonding fracture properties of CFS strengthened member subject to tension”, Non-Metallic (FRP) Reinforcement for Concrete Structure, Proceedings of the Third International Symposium, Sapporo, Japan, pp. 287-294, 1997
[9] Hu, H.-T. and Schnobrich, W. C., "Nonlinear Analysis of Plane Stress State Reinforced Concrete Under Short Term Monotonic Loading," University of Illinois, Urbana, SRS No. 539, 1988, pp. 27-63
[10] Limam, O., Foret, G. and Ehrlacher, A., “RC two-way slabs strengthened with CFRP strips:experimental study and a limit analysis approach”, Composite Structures 60(2003), pp. 467-471
[11] Mosallam, A. S., "Strengthening of two-way slabs with FRP composite laminates”, Construction and Building Materials. 17 (2003) , pp. 43-54
[12] Park, R. and Gamble W. L., Reinforced Concrete Slabs, Second Edition, John Wiley & Sons, Inc., 2000
[13] Tanaka, T., Shear Resisting Mechanism of Reinforced Concrete Beam with CFC as Shear Reinforcement, Graduation Thesis, Hokkaido University, 1996
[14] Teng, J. G., Chen, J. F., Smith, S. T. and Lam, L., FRP strengthened RC structures, First Edition, Wiley, New York, 2001
[15] Tsai, S. W. and Wu, E. M., “A General Theory of Strength for Anisotropic Materials” ,Journal of Composite material, 5, pp.58-80, 1971
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