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研究生： 李尚學
Li, Shang-Shiue
論文名稱： 在地震作用下對橋梁改良來減少高鐵行車脫軌之研究
Study of Bridge Improvement for Decreasing the Derailment of High-Speed Trains During Seismic Loading
指導教授： 朱聖浩
Ju, Shen-Haw
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： 2011
畢業學年度： 99
語文別： 英文
論文頁數： 95
中文關鍵詞： 橋梁-列車-軌道互制 、脫軌 、橋梁改良 、SIMQKE程式
外文關鍵詞： bridge-train-rail interaction, derailment, bridge improvement, SIMQKE
相關次數： 點閱：78  下載：6 
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    • 台灣位處於環太平洋地震帶上，因此頻繁的地震對高速行駛的列車帶來極大的威脅，2010年3月4號發生台灣高鐵第一件由於地震而引起的脫軌事件，因此本研究將探討如何改進台灣高鐵橋梁結構，來有效的降低產生脫軌的可能性。透過有限元素法建立一套軌道¬-列車-橋梁互制的模型，用來分析在橋梁改良後受地震情形下的脫軌系數變化，此研究也將利用SIMQKE程式，輸入目標反應譜來產生人工地震，以此人工地震當作地震分析之外力，此外也將透過改變目標反應譜來產生不同頻率內涵之人工地震來探討共振之情形。最後分析結果顯示，在地震力作用下，使用調諧質量阻尼系統無法有效的降低台灣高鐵的脫軌系數，而使用擴柱法及加裝阻尼系統可有效的降低台灣高鐵的脫軌系數。

    Taiwan is located on the seismic belt of the Pacific Ocean; therefore, the frequent earthquake brings the enormous threat to the high-speed trains. On March 4th, 2010 the Taiwan High Speed Rail derailment caused by the earthquake event occurred. This study will investigate how to improve the Taiwan High Speed Rail bridge structure, so that can effectively reduce the possibility of generating derailment.
    The main purpose of this study is to improve the bridge performance to decrease the derailment when the THSR faces earthquakes, and establish a train-rail-bridge interaction model that can be used to analyze the train derailment problem by the finite element method. This study will also use the SIMQKE program by input the target response spectrum to obtain the artificial motion, and use this artificial motion as the external load to perform the derailment analysis. Furthermore, change the target response spectrum to obtain artificial motions with different frequency content that be used in the derailment analysis to discuss the resonance between the bridge and earthquake. The result indicate that tuned mass damper was not an effective method to decrease the train derailment, Enlarging column and using damping were effective methods to decrease the derailment of High-Speed trains that caused by an earthquake.

    摘要 I ABSTRACT II 致謝 III LIST OF TABLE VII LIST OF FIGURES VIII CHAPTER 1 INTRODUCTION 1 1.1 BACKGROUND AND PURPOSE 1 1.2 LITERATURE REVIEW 3 1.2.1 Development of TMD 3 1.2.2 The dynamic behavior of bridge under extra forces 5 1.3 BRIEF RESEARCH DESCRIPTION 6 CHAPTER 2 THEORY ILLUSTRATION 9 2.1 INTRODUCTION 9 2.2 MAJOR ELEMENT 9 2.2.1 Beam Element 9 2.2.2 Wheel Element 11 2.2.3 Spring-Damper and Lumped Mass Element 12 2.3 RIGID LINK EFFECT 13 2.4 DERAILMENT COEFFICIENT 14 2.5 THEORIES OF EARTHQUAKE GENERATION 15 2.5.1 Artificial Motion Generation 15 2.5.2 Generation of Power Spectral Density Function 17 2.5.3 Improving Response Spectral Matches 18 2.6 FAST FOURIER TRANSFORM (FFT) 19 2.7 NEWMARK’S METHOD 21 2.7.1 Basic Procedure 21 2.7.2 Newmark’s Method for Linear System 22 2.8 RAYLEIGH DAMPING 24 2.9 TMD SYSTEM INTRODUCTION 26 2.10 DAMPING SYSTEM INTRODUCTION 29 CHAPTER 3 MODEL AND PROGRAM 38 3.1 INTRODUCTION 38 3.2 PROGRAM FOR FINITE ELEMENT ANALYSIS 38 3.2.1 Program AD 38 3.2.2 Program AB 39 3.2.3 Program AN 39 3.2.4 Program AE 40 3.2.5 Program GBDALL95 40 3.3 MODEL AND MESH ANALYSIS 40 3.3.1 Bridge Model 40 3.3.2 High-Speed Stain Model 41 3.3.3 Rail and Wheel Model 41 CHAPTER 4 SEISMIC RESPONSES ANALYSIS 48 4.1 INTRODUCTION 48 4.2 SEISMIC ANALYSIS PROGRAM 48 4.3 FINITE ELEMENT OF IMPROVEMENT MODEL 49 4.4 EARTHQUAKE DATA 49 4.4.1 Jiasian Earthquake 49 4.4.2 Generation of the Ground Motion 50 4.5 SEISMIC ANALYSIS RESULTS 52 4.5.1 Tuned Mass Damper System Mode Analysis Result 52 4.5.2 Enlarge column Mode Analysis Result 52 4.5.3 Damping System Mode Analysis Result 53 4.6 USING NEWMARK’S METHOD TO DISCUSS THE RESONANCE PROBLEM 54 4.7 CONCLUSIONS 55 CHAPTER 5 CONCLUSIONS AND FUTURE WORKS 84 5.1 CONCLUSIONS 84 5.2 FUTURE WORKS 85 REFERENCES 86 APPENDIX 脫軌分析輸入檔說明 91 自述 95

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