초고속대역에서의 교량/토공 접속부 변형특성 해석

초록

The transition zone is the section which roadbed stiffness is suddenly varied, it is possible to occur differential settlement because of differences in stiffness. This problem also occurs in a exist railway and also expected to occur even in ultra-high speed railway as 600km/h, but as of now it is difficult to predict of pattern. Thus, at the present stage require to multidirectional approach for understanding and adaptability of ultra-high speed railway transition zone. In this study, to verify this effect deformation characteristics by train speed on the basis of transition zone standard plan in Honam high-speed railway. Currently, it is difficult to use experimental study and take finite element program in Abaqus to dynamic analysis of moving wheel loading type. Study on characteristics of vertical acceleration and displacement, in the case of acceleration, which was more than two times value than 300km/h train. Since the expected future problems, it is require to study in order to improve structure of transition zone for ultra-high speed railway.