声明
ACKNOWLEDGEMENT
摘要
ABSTRACT
Directory
Chapter 1：Introduction
1．1．Background
1．1．1．Geography
1．1．2．Geology
1．2．Literature review
1．3．Objectives of the research
1．4．Scope of the research
Chapter2：The D．R．Congo railway and bridge transition section problematic
2．1．D．R．Congo railway problematic
2．1．1．Rail track degradation
2．2．Transition section problematic
2．3．Transition section processing method
2．3．1．Other processing method
2．3．2．Some improvement of abutment zone behavior
2．3．3．Approach slab design
2．4．Chapter conclusion
Chapter 3：D．R．Congo railway transition section design
3．1．D．R．Congo railway situation
3．1．1．The railway systems
3．1．2．Proposed rail projects
3．2．Geotechnical condition of D．R．Congo soil
3．2．1．Classification criteria
3．2．2．Geotechnicai soil classification
3．3．Case study：The Matadi-Kinshasa railway line(CFMK)
3．3．1．History
3．3．2．Types and characteristics
3．3．3．‘‘In situ’’ Steel Bridge：The Kwilu-Ngongo and Lufu-Toto section(DK 185+331)
3．4．Railway bridge transition section dynamic calculations
3．4．1．Summary of dynamic calculation model of subgrade
3．4．2．Bridge transition section geometric model
3．5．Chapter conclusion
Chapter4：Railway transition section 3D modeling and simulation in Abaqus
4．1．Modeling and Optimal Solution
4．1．1．Module 1：Part
4．1．2．Module 2：Property
4．1．3．Module 3：Assembly
4．1．4．Module 4：Step
4．1．5．Module 5：Interaction
4．1．6．Module 6：Load
4．1．7．Module 7：Mesh
4．1．8．Module 8：Job
4．2．Post processing(Visualization Module)
4．2．1．Static analysis results
4．2．2．Dynamic analysis results
4．3．Chapter conclusion
Chapter5：Railway bridge transition section reinforcement measures
5．1．Overview
5．2．Reinforced soil mechanics
5．3．Reinforced soil benefits
5．4．Geosynthetic reinforced embankments basic applications
5．4．1．Basal reinforcement
5．4．2．Other ground improvement techniques
5．5．Chapter conclusion
Chapter 6：Conclusion and Prospect
第6章：结论与展望
References
Index
作者简历
