Dynamic Response of Transitional Rail Structure
Date Issued
2004
Date
2004
Author(s)
Shih, Kuang-Hsia
DOI
zh-TW
Abstract
When trains pass the connection between concrete part and ground part, viaduct part and ground part, or ballast and non-ballast system, the interface between different structural types may induce higher dynamic response due to the impact of discontinuous stiffness of structure . This paper focus on the dynamic characteristic of the transition rail structures.
The subjects of this paper divides into two parts:
(1) Study on the effects of different stiffness of elastic supports in the connection between ballast and non-ballast railway system to analysis the dynamic response of track and ballast bed. We use LS-DYNA to calculate the response of rail and track structures.
(2) Utilize ANSYS to calculate the mode shape and natural frequency of simplified model, moreover we discuss the rail-wheel resonance, distance of sleeper, stiffness of support and train’s velocity relationship.
Subjects
輪軌共振
過渡段軌道
彈性離散支承
wheel-track resonance
transitional rail structure
elastic discrete support
Type
thesis
File(s)![Thumbnail Image]()
Loading...
Name
ntu-93-R90525040-1.pdf
Size
23.53 KB
Format
Adobe PDF
Checksum
(MD5):d90c76f6500a7e5fd74987aa5bff91bb