Abstract ▼

- Establishment of the collaborative research system
- Safety assessment of the bridges for vessel collision
- Development of the analysis method regarding evaluation of the vessel impact load of bridges
- Collision Analysis of bridge pier considering the boundary condition
1. Technical

- Establishment of the collaborative research system
- Safety assessment of the bridges for vessel collision
- Development of the analysis method regarding evaluation of the vessel impact load of bridges
- Collision Analysis of bridge pier considering the boundary condition
1. Technical development for the improvement of bridge safety
- establishment of research plan and investigation on previous researches
- investigation on domestic and foreign design specifications and provisions
- case study on ship collision protection system
- theoretical development of external dynamics on ship collision
- analysis of transmitting collision energy
- evaluation of normal and tangential energy on collision surface
- investigation on the results of ship collision analysis and safety assessment
2. Evaluation of vessel collision load
- research survey
- finite element modeling of bulbous bow
- modeling of nonlinear plastic behavior of vessel
- analysis of head-on bow impact
- analysis of sideways impact
- evaluation of vessel collision force
- comparative analysis of results
3. Safety assessment of bridge pier
- research survey
- case study on design examples of ship collision
- establishment of internal mechanics on ship collision
- development of vessel modeling technique
- modeling of protection system
- evaluation of design collision force
- investigation on the results
- Development of the evaluation method of ship collision energy
- Finite element modeling of the ship and performance of the nonlinear analysis
- Generation of the time-history regarding the collision force
- Design of the substructures for vessel collision
- The evaluation of the vessel impact load considering the interaction between vessels and bridges
- Analysis of ship protection system
1. Design of bridge substructures for the vessel impact load
-design vessel selection for maritime bridge substructures
-assessment for dynamic characteristics of bridge substructure subjected to vessel collision
2. Calculation of vessel impact load considering the interaction between bridge and ship
-interaction between bridge structure and bulbous bow of ship
-interaction between breakwater structure and ship
3.Collision behaviors of fender systems
-impact loads and the energy dissipation capacities of fender systems with the consideration of various collision conditions
-estimation of energy dissipation considering with the bridge substructures and the surrounding soil
- Development of the evaluation method of design vessels
- Finite element modeling of the medium-to-large size vessel's bow
- Collision analysis(Protection System)
- Design of the protection system for vessel collision
- Design for minimization of damage of vessel
- Optimization of bridge design of vessel collision
1.Design of protective system against ship collision
-analysis of limit state of dolphin structures
-dolphin-ship collision analysis(internal and external mechanics)
-calculation of collision energy
-design method of protective systems by absorbing energy
2. Development of collision analysis technique for several collision scenarios
-calculation of vessel collision load and absorbing energy
-assessment of vessel collision performance and development of design criteria
-analysis of bow and side collision scenario
-analysis of collision accidents and development of collision scenario
-development of collision analysis method considering viscous effects
3. Optimal design for bridge against ship collision
-development of simplified collision model considering foundation and surrounding soil
-calculation procedure of impact load
-modeling of external and internal mechanics of simplified model
-establishment of analysis system
-parametric study on the model
-impact load calculation for optimal design
- Analysis and evaluation depending upon collision scenario
- Evaluation of the energy absorption capacity of the protection system
- Collision analysis considering the existing ground condition

목차 Contents

• Ⅰ. 연구계획 요약문...3
• 1. 국문요약문...3
• Ⅱ. 연구결과 요약문...4
• 1. 국문요약문...4
• <1차년도>...4
• <2차년도>...5
• <3차년도>...6
• 2. 영문요약문...7
• <1차년도>...7
• <2차년도>...8
• <3차년도>...9
• Ⅲ. 연구내용 및 결과...10
• 1. 서론...10
• 2. 연구방법 및 이론...13
• 3. 결과 및 고찰...41
• 4. 결론...108
• 5. 인용문헌...111