| 摘要 | 第5-6页 |
| Abstract | 第6-7页 |
| Chapter1 Introduction | 第10-18页 |
| 1.1 Importance of the study of reliability | 第10-11页 |
| 1.2 Current status of dynamic reliability | 第11-14页 |
| 1.2.1 The current status of the dynamic response of highway's bridge under traffic load | 第12-13页 |
| 1.2.2 The current status of the dynamic reliability | 第13-14页 |
| 1.3 The research on first passage reliability | 第14-16页 |
| 1.4 The main content of this paper | 第16-18页 |
| Chapter2 Random traffic flow simulation based on WIM system | 第18-38页 |
| 2.1 The dynamic weighing system | 第18-20页 |
| 2.1.1 The status of the dynamic weighing system | 第18-19页 |
| 2.1.2 The concept of dynamic weighing technology | 第19-20页 |
| 2.2 Statistic analysis of vehicle parameter | 第20-29页 |
| 2.2.1 Vehicle classification | 第20-23页 |
| 2.2.2 Vehicle lane statistical analysis | 第23页 |
| 2.2.3 Vehicle speed statistical analysis | 第23-25页 |
| 2.2.4 Vehicle weight analysis | 第25-27页 |
| 2.2.5 Vehicle gap analysis | 第27-29页 |
| 2.3 Random traffic simulation | 第29-33页 |
| 2.3.1 Monte-Carlo simulation method | 第30页 |
| 2.3.2 The steps of the traffic flow simulation | 第30-31页 |
| 2.3.3 Random traffic simulation | 第31-32页 |
| 2.3.4 Simulation of random traffic flow in Yilu expressway | 第32-33页 |
| 2.4 Traffic flow forecast of the Yilu expressway | 第33-36页 |
| 2.4.1 Methodology of traffic flow prediction | 第33-34页 |
| 2.4.2 Traffic flow prediction based on statistical prediction methodology | 第34-36页 |
| 2.5 Chapter summary | 第36-38页 |
| Chapter3 Analysis model of Nanxi Yangtze River Bridge under the dense traffic flow | 第38-56页 |
| 3.1 Finite element model analysis of Nanxi Yangtze River Bridge | 第38-42页 |
| 3.1.1 Main design parameters of Nanxi Yangtze River Bridge | 第38-39页 |
| 3.1.2 Finite element model of Nanxi Yangtze River Bridge | 第39-41页 |
| 3.1.3 Bridge modal analysis | 第41-42页 |
| 3.2 Analysis model and method of the vehicle-bridge system | 第42-55页 |
| 3.2.1 Vehicle-bridge coupled vibration theory and analytical method | 第43-49页 |
| 3.2.2 Influence of vehicle-bridge coupling on long span bridges | 第49-50页 |
| 3.2.3 Step-by-step integration method for differential equations of moving loads: Newmark-β | 第50-52页 |
| 3.2.4 Simplified finite element analysis method for vehicle-bridge coupling system | 第52-55页 |
| 3.3 Chapter summary | 第55-56页 |
| Chapter4 Dynamic response and displacement extreme probability model of the suspension bridges underdense traffic flow | 第56-74页 |
| 4.1 Introduction | 第56-57页 |
| 4.2 Random traffic flow loading method | 第57-59页 |
| 4.2.1 The theory of cellular automata | 第57-58页 |
| 4.2.2 Simplified applying of cellular automata | 第58-59页 |
| 4.3 Bridges' dynamic response under random traffic flow | 第59-68页 |
| 4.3.1 The dynamic response of the bridge under the load of dense random traffic flow | 第59-63页 |
| 4.3.2 Effect of vehicle parameters on dynamic response of stiffened beam | 第63-68页 |
| 4.4 Probability analysis of displacement response of suspension bridge under random vehicle flow | 第68-72页 |
| 4.4.1 Stochastic process characteristics of displacement response | 第68-69页 |
| 4.4.2 Root mean square of displacement response of Nanxi Yangtze River Bridge under the load ofdense traffic flow | 第69-70页 |
| 4.4.3 Structural response prediction under the dense traffic flow | 第70-72页 |
| 4.5 Chapter summary | 第72-74页 |
| Chapter5 Study on dynamic reliability of suspension bridge under dense traffic flow based on first-passagecriterion | 第74-82页 |
| 5.1 Introduction | 第74-75页 |
| 5.2 A mathematical model of structural dynamic reliability based on first passage criterion | 第75-79页 |
| 5.2.1 First passage theory | 第75-76页 |
| 5.2.2 The basic hypothesis of the number of the transcendence | 第76-79页 |
| 5.3 Dynamic reliability analysis of a suspension bridge based on first passage criterion | 第79-80页 |
| 5.4 Chapter summary | 第80-82页 |
| Chapter6 Conclusion and prospect | 第82-84页 |
| 6.1 Conclusion | 第82-83页 |
| 6.2 Prospect | 第83-84页 |
| Acknowledgement | 第84-86页 |
| Reference | 第86-88页 |
