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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.32 No.4
- 발행연도
- 2019.1
- 수록면
- 467 - 478 (12page)
이용수
초록· 키워드
오류제보하기
Running safety and ride comfort of high speed railway largely depend on the track geometry that is dependent on the bridge deformation. This study presents a theoretical study on mapping the bridge vertical deformations to the change of track geometry. Analytical formulae are derived through the theoretical analysis to quantify the track geometry change, and validated against the finite element analysis and experimental data. Based on the theoretical formulae, parametric studies are conducted to evaluate the effects of key parameters on the track geometry of a high speed railway. The results show that the derived formulae provide reasonable prediction of the track geometry change under various bridge vertical deformations. The rail deflection increases with the magnitude of bridge pier settlement and vertical girder fault. Increasing the stiffness of the fasteners or mortar layer tends to cause a steep rail deformation curve, which is undesired for the running safety and ride comfort of high-speed railway.
목차
등록된 정보가 없습니다.
참고문헌 (37)
참고문헌 신청
Chen, Z. W. / 2014 / Mapping relationship between pier settlement and rail deformation of high-speed railways-part(I) : The unit slab track system / Sci. China : Tech. Sci 44(7):770~777
Dimitrakopoulos, E. G. / 2015 / A three-dimensional dynamic analysis scheme for the interaction between trains and curved railway bridges / Comput. Struct 149:43~60
Domenech, A. / 2014 / Influence of the vehicle model on the prediction of the maximum bending response of simply-supported bridges under high-speed railway traffic / Eng. Struct 72:123~139
Ferellec, J. F. / 2010 / A method to model realistic particle shape and inertia in DEM / Granul. Matter 12(5):459~467
Gou, H. Y. / 2018 / Experimental and numerical investigations of the dynamic responses of an asymmetrical arch railway bridge / P. I. Mech. Eng. F-J. RAI 232(9):2309~2323
Dimitrakopoulos, E. G. / 2015 / A three-dimensional dynamic analysis scheme for the interaction between trains and curved railway bridges / Comput. Struct 149:43~60
Domenech, A. / 2014 / Influence of the vehicle model on the prediction of the maximum bending response of simply-supported bridges under high-speed railway traffic / Eng. Struct 72:123~139
Ferellec, J. F. / 2010 / A method to model realistic particle shape and inertia in DEM / Granul. Matter 12(5):459~467
Gou, H. Y. / 2018 / Experimental and numerical investigations of the dynamic responses of an asymmetrical arch railway bridge / P. I. Mech. Eng. F-J. RAI 232(9):2309~2323
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