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研究生： 林建宏
Lin, Jian-Hong
論文名稱： 以3D有限元素塑性分析探討RC結構受震行為之研究
Research on Seismic Behavior of RC Structure with 3D Finite Element Nonlinear Analysis
指導教授： 胡宣德
Hu, Hsuan-Teh
共同指導: 蕭輔沛
Hisao, Fu-Pei
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： 2021
畢業學年度： 109
語文別： 英文
論文頁數： 202
中文關鍵詞： RC結構 、近斷層地震 、軟弱層 、韌性不規則 、有限元素法 、混凝土塑性損傷模型 、ABAQUS 、重啟分析
外文關鍵詞： RC structure, Near-fault earthquake, Weak layer, Ductility irregularity, Finite element analysis, CDP model, ABAQUS, Restart analysis
相關次數： 點閱：135  下載：0 
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    • 根據經濟部中央地質調查所2012年公佈的斷層資料，台灣地區有20條第一類活動斷層和13條第二類活動斷層。近斷層地震具有高速度、大位移、長周期地震波的特徵。並且有鑑於過去的地震事件，大多數建築物是由於扭轉不規則引起的局部損壞而倒塌的。扭轉不規則是柱損壞的主要原因。除此之外，近年來雙主震事件也變得更加頻繁，這意味著建築結構會在已受損情況下受到衝擊。
    藉由國家地震工程研究中心台南實驗室的高性能振動台，能夠重現近斷層地震動的特徵。本研究開展了一系列試驗，重點評估受損扭轉不規則軟弱層建築物承受近斷層地震的能力，配合有限元軟體ABAQUS模擬鋼筋混凝土結構的材料破壞和抗震性能。

    According to the fault data announced by the Central Geological Survey, MOEA, ROC in 2012, there are 20 first-class active faults and 13 second-class active faults in Taiwan. As it is known to all that near-fault earthquakes have the unique characteristics of high velocity, large displacement and long-period seismic waves. And given that the past earthquake event, it is known that most buildings are collapsed due to localized damage caused by torsional irregularity. The torsional irregularity is the main cause of the column damage. Apart from these, doublet earthquakes have become more frequent in recent years, which means the building structure is more likely to face the impact under the damaged situation.
    With the high performance of the vibration table in NCREE Tainan Laboratory, it is capable to reproduce the characteristics of near-fault ground motion. This study carries out a series of experiments to focus on the assessment of damaged torsional irregularity weak-layer buildings withstand near-fault earthquakes paired with finite element software ABAQUS to simulate the material damage and the seismic behavior of RC structure.

    ABSTRACT I 摘要 II 誌謝 III ARTICLES OUTLINE IV TABLES OUTLINE IX FIGURES OUTLINE XI CHAPTER 1 INTRODUCTION 1 1.1 MOTIVATION 1 1.2 OBJECTIVE 2 1.3 THESIS STRUCTURE 3 1.4 RESEARCH PROCEDURE 3 CHAPTER 2 FINITE ELEMENT ANALYSIS 5 2.1 FINITE ELEMENT METHOD (FEM) 5 2.1.1 Element type 5 2.1.1.1 Solid Element 6 2.1.1.2 Truss element 9 2.1.1.3 Shell element 10 2.1.2 Analytical method 10 2.1.2.1 Nonlinear static analysis 11 2.1.2.2 Nonlinear dynamic implicit analysis 11 2.1.2.3 Restart analysis 13 2.2 MATERIAL MODEL 13 2.2.1 Concrete model 13 2.2.1.1 ABAQUS concrete model 14 2.2.1.2 Concrete Damaged Plastic Model (CDPM) 14 2.2.2 Steel model 26 CHAPTER 3 COLUMN COMPONENT CYCLIC LOADING ANALYSIS WITH DIFFERENT DIMENSION 28 3.1 EXPERIMENT 28 3.1.1 Specimen introduction 28 3.1.2 Experiment procedure 33 3.1.3 Measuring instruments 35 3.1.4 Experiment result 36 3.2 NUMERICAL MODEL 40 3.2.1 Model introduction 40 3.2.2 Model size 40 3.2.3 Material properties 42 3.2.3.1 Concrete 42 3.2.3.2 Steel 47 3.2.4 Interaction & boundary condition 48 3.2.5 Elements & mesh 51 3.3 COMPARISON OF EXPERIMENTAL AND NUMERICAL RESULT 52 CHAPTER 4 THREE-DIRECTION SEISMIC DYNAMIC ANALYSIS OF HALF-SCALE SEVEN-STORY STRUCTURE 57 4.1 EXPERIMENT 57 4.1.1 Specimen introduction 57 4.1.2 Experiment procedure 61 4.1.3 Measuring instruments 64 4.1.4 Experiment result 65 4.1.4.1 System identification period 65 4.1.4.2 Acceleration & displacement 65 4.1.4.3 Photos 72 4.2 NUMERICAL ANALYSIS 75 4.2.1 Model introduction 76 4.2.2 Model size 77 4.2.3 Analysis procedure 82 4.2.4 Materials properties 83 4.2.4.1 Rayleigh damping 84 4.2.4.2 Concrete 85 4.2.4.3 Steel 87 4.2.5 Interaction & boundary condition 87 4.2.6 Element & mesh 94 4.3 COMPARISON OF EXPERIMENTAL AND NUMERICAL RESULT 95 4.3.1 CHY063–50% 95 4.3.2 CHY063–100% 101 4.3.3 CHY063–150% 108 4.3.4 CHY063–200% 114 4.3.5 Diaphragm rotation 120 4.3.6 Discussion 123 CHAPTER 5 COLUMN COMPONENT CYCLIC LOADING ANALYSIS WITH DIFFERENT DUCTILITY & DAMAGE SITUATIONS 128 5.1 EXPERIMENT 128 5.1.1 Specimen introduction 128 5.1.2 Experiment procedure 131 5.1.3 Experiment result 134 5.2 NUMERICAL MODEL 137 5.2.1 Model introduction 137 5.2.2 Model size 137 5.2.3 Material properties 139 5.2.3.1 Concrete 139 5.2.3.2 Steel 142 5.2.4 Interaction & boundary condition 144 5.2.5 Elements & mesh 146 5.3 COMPARISON OF EXPERIMENTAL AND NUMERICAL RESULT 146 CHAPTER 6 SEISMIC DYNAMIC ANALYSIS OF HALF-SCALE SEVEN-STORY STRUCTURE WITH DUCTILITY IRREGULARITY 152 6.1 EXPERIMENT 152 6.1.1 Specimen introduction 153 6.1.2 Experiment procedure 158 6.1.3 Measuring instruments 160 6.1.4 Experiment result 161 6.1.4.1 System identification period 161 6.1.4.2 Acceleration & displacement 161 6.1.4.3 Photos 165 6.2 NUMERICAL ANALYSIS 166 6.2.1 Model introduction 167 6.2.2 Model size 168 6.2.3 Analysis procedure 173 6.2.4 Materials properties 173 6.2.4.1 Rayleigh damping 173 6.2.4.2 Concrete 174 6.2.4.3 Steel 175 6.2.5 Interaction & boundary condition 176 6.2.6 Element & mesh 179 6.3 COMPARISON OF EXPERIMENTAL AND NUMERICAL RESULT 180 6.3.1 CHY101–10% 180 6.3.2 CHY101–20% 184 6.3.3 CHY101–40% 187 6.3.4 CHY101–60% 190 6.3.5 Diaphragm rotation 193 CHAPTER 7 CONCLUSIONS & SUGGESTIONS 197 7.1 CONCLUSION 197 7.2 SUGGESTION 199 REFERENCE 200

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