摘要 | 第5-6页 |
Abstract | 第6-7页 |
Chapter 1 Introduction | 第10-20页 |
1.1 Research background and significance | 第10-11页 |
1.2 Domestic and abroad research status | 第11-17页 |
1.2.1 Basic theory of reliability | 第11-13页 |
1.2.2 Seismic reliability | 第13-14页 |
1.2.3 Research status of precast concrete frame | 第14-17页 |
1.3 Research contents | 第17-18页 |
1.4 Organizational structure of the thesis | 第18-20页 |
Chapter 2 Structure and stress analysis of several new types of precast concrete frame joints | 第20-30页 |
2.1 Introduction | 第20页 |
2.2 Selection of new precast concrete frame joints | 第20-27页 |
2.2.1 Classification of fabricated concrete frame joints | 第20-21页 |
2.2.2 Structure illustration of three new precast concrete frame joints | 第21-23页 |
2.2.3 Design of three new precast concrete frame joints | 第23-27页 |
2.3 Analysis of stress process and failure modes of joint | 第27-29页 |
2.3.1 Stress process | 第27-28页 |
2.3.2 Failure modes | 第28-29页 |
2.4 Summary | 第29-30页 |
Chapter 3 Numerical simulation of seismic behavior of some new-type precast concrete frame joints | 第30-62页 |
3.1 Introduction | 第30-31页 |
3.2 The establishment of finite element analysis model | 第31-44页 |
3.2.1 Selection of material model | 第31-35页 |
3.2.2 Sectional restoring force model | 第35-37页 |
3.2.3 Selection of element | 第37-38页 |
3.2.4 Nonlinear analysis settings | 第38-40页 |
3.2.5 Output control of analysis results | 第40页 |
3.2.6 Material parameters and loading system | 第40-44页 |
3.3 Application of beam-column joint element in Open Sees | 第44-50页 |
3.3.1 Simulation principle of beam-column joint element | 第44-46页 |
3.3.2 Parameters determination of concrete nonlinear shear performance in core area of joint | 第46-50页 |
3.3.3 Simulation of longitudinal bar Slip and Shear behavior of Interface | 第50页 |
3.4 Results of numerical simulation | 第50-59页 |
3.4.1 Hysteresis curve | 第50-53页 |
3.4.2 Skeleton curve | 第53-54页 |
3.4.3 Stiffness degradation | 第54-56页 |
3.4.4 Energy dissipation capacity | 第56-59页 |
3.5 Summary | 第59-62页 |
Chapter 4 Seismic reliability analysis of some new-type precast concrete frame joints | 第62-82页 |
4.1 Introduction | 第62-63页 |
4.2 Structure reliability | 第63-68页 |
4.2.1 Reliability and reliability index | 第63-64页 |
4.2.2 Monte Carlo methods | 第64-66页 |
4.2.3 Monte Carlo stochastic finite element method | 第66-68页 |
4.3 Implementation of Monte Carlo Finite Element Method Based on MATLAB Platform | 第68-69页 |
4.3.1 Generation of random numbers | 第68页 |
4.3.2 Programming analysis of structural reliability | 第68-69页 |
4.4 Seismic reliability analysis of joints based on Monte Carlo methods | 第69-80页 |
4.4.1 Limit state based on Park-Ang damage model | 第71-73页 |
4.4.2 Statistical parameters of random variables | 第73-77页 |
4.4.3 The results of reliability analysis | 第77-80页 |
4.5 Summary | 第80-82页 |
Chapter 5 Conclusions and prospects | 第82-86页 |
5.1 Research results and conclusions | 第82-83页 |
5.2 Prospects | 第83-86页 |
Reference | 第86-92页 |
Author’s achievements during working for master’s degree | 第92-94页 |
Acknowledgements | 第94-95页 |