Influence of Slab Length on behavior of Floating Slab Track by Rail-slab-isolator Longitudinal Interaction | Zendy

Huan Ha Nguyen | Zendy; Seung Yup Jang | Zendy; Wonseok Chung | Zendy

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Influence of Slab Length on behavior of Floating Slab Track by Rail-slab-isolator Longitudinal Interaction

Author(s) -

Huan Ha Nguyen,

Seung Yup Jang,

Wonseok Chung

Publication year - 2012

Publication title -

international journal of railway

Language(s) - English

Resource type - Journals

eISSN - 2288-3010

pISSN - 1976-9067

DOI - 10.7782/ijr.2012.5.4.163

Subject(s) - slab , track (disk drive) , structural engineering , finite element method , isolator , vibration , engineering , geology , geotechnical engineering , acoustics , physics , mechanical engineering , electrical engineering

Many different types of floating slab track have been developed and installed around the world to reduce vibrations and noise originating in the surrounding environment. The main objective of this study is to examine the influence of slab length on behavior of floating slab track based on rail-slab-isolator interaction. The floating slab track is modeled by the connection between rail, slab, isolator, and slab mat in the transition zone. All elements were assembled in a simplified two-dimensional (2D) finite element model (FEM). The maximum length of FST is then investigated based on the maximum additional rail stress criterion as described in UIC 774-3R since no fully accepted design criteria for the slab length in FST systems currently exist.

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