Experimental Study on the Transfer Characteristic and Deformation of Three Types of Combine Track System

This study described the transfer properties and deformation of the combine track systems. This experiment was designed to apply different loads to three combined track systems on the 1:1 track platform, respectively. The aim system contained rubber vibration isolation cushion, slab and vibration damping fasteners. The difference among the systems is mainly due to the different types of fasteners. The results indicated that loading had an influence on the transfer properties of track systems; however, the different loadings had similar results. As an ordinary damping fastener combine track system, the vertical and lateral response curves were diverse from 140 to 610 Hz and 40 to 480 Hz, respectively. While for medium damping fastener combine track system, the different frequency bands were 100–500 Hz and 25–350 Hz for vertical and lateral response, respectively. For the high damping fastener combine track system, the different frequency bands were 70–420 Hz and 15–270 Hz. In the deformation results, the ordinary damping fastener had the smallest rail deformation and the largest slab deformation, while the high damping fastener had the largest rail deformation and the smallest slab deformation.