Railroad crane and method for carrying out replacement of an upper structure of a railway bridge utilizing the same

摘要

Disclosed is a method for replacing and installing a railway bridge superstructure, which has been installed for a long time or is incorrectly installed. The construction method for replacing the upper structure of the railway bridge may include preparing a second upper structure in consideration of the specifications of the railway bridge and the dimensions and strength required for the second upper structure, and lifting and moving the first upper structure and the second upper structure, respectively. Preparing a railway crane having a lifting means capable of moving, moving the second upper structure and the railway crane to the first upper structure, removing the first upper structure from the piers, and using the second railway crane Moving the upper structure to install the second upper structure on the pier where the first upper structure has been removed, and can quickly replace the upper structure of the railway bridge without causing trouble to the operation of the train. It does not require large special cranes with high heights, especially in mountain areas where general cranes are difficult to enter, railway bridges with high piers, It has the advantage of being very advantageous to replace the construction of the superstructure of such cheoldogyo installed in deep water rivers.;Railroad Bridge, Rail, Superstructure, Alternate