TWIN-BLOCK TYPE TRAIN TRACK FOR BRIDGE, AND REPLACING METHOD OF OLD TRAIN TRACK USING SUCH TWIN-BLOCK TYPE TRAIN TRACK

摘要

PURPOSE: A twin-block type railway track for a bridge and an improvement method of a railway ballast track using the same are provided to prevent an excessive load from being applied to a bridge and to reduce labor. CONSTITUTION: A twin-block type railway track for a bridge comprises rails(1), twin-block sleepers(2), and a pair of railway ballasts(3). The rails are arranged in a line and are separated from each other. The twin-block sleepers have blocks(21) and a connection rod(22) maintaining a gap between the blocks. The railway ballasts are separated from each other and support the blocks. The railway ballasts are integrally installed on the top plate of a bridge.