Anti-Vibration Slab Mat to Supress Train Track Vibrations

C. J. Ren, M. H. Fouladi, Satesh Namasivayam, H. J. Hon, C. Baniotopoulos, M. R. Tight, S. Kaewunruen

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The purpose of this study is to discover the correlation between anti-vibration slab mat mechanical characteristics and vibration isolation performance. When the train accelerates on the track, the train movement and static load propagate together, thus transforming the static load to a dynamic load. The transformation is caused by imbalance in between the rail surface and wheel. Anti-vibration slab mat is located among the concrete layers of slab track. In order to acquire the optimum designation of slab mat, optimization process was conducted by utilizing elastic element, which consists of excellent mechanical attributes. Numerical analysis was performed on a 3D model track-bridge structure, which was produced in SolidWorks by using the modal parameters acquired from literature review. Meshing using body sizing was performed. Next, the modal and harmonic response analysis were subjected to a suitable boundary condition setup. A frequency response graph of bridge acceleration was acquired from harmonic response analysis for different modal parameters of slab mat. In addition, a prelude outcome illustrated the efficiency of slab mat layer composed of synthetic rubber in minimizing vibration. To sum up the study, the mechanical attributions of anti-vibration slab mat, which is great damping ratio, less stiffness and expanded thickness are contributing factors to the minimization of bridge acceleration.
Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalJournal of Engineering Science and Technology
Issue numberSpecial Issue on the seventh eureca 2016
Publication statusPublished - Jul 2018


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