METHOD FOR REMOVING, INSTALLING AND REPLACING AN UPPER STRUCTURE OF BRIDGE, AND LIFTING APPARATUS AND TRANSPORTATION VEHICLE OF THE UPPER STRUCTURE OF BRIDGE FOR THE METHOD

摘要

PURPOSE: A method for removing, installing, and replacing an upper structure of a bridge, and a lifting device and a transportation vehicle of the upper structure for the same are provided to easily perform a replacing work of the upper structure of the bridge. CONSTITUTION: A method for removing an upper structure of a bridge is as follows: Guide units(222) are arranged on the top of support structures(220). Upper structure lifting devices(200) which has the support structures are installed in the bottom of a first upper structure(130). The upper structure lifting devices lift the first upper structure, and the first upper structure is horizontally moved with the guide units. Sliding members are installed in one of the guide units and the bottom surface of the first upper structure contacted with the guide units. An upper structure transfer vehicle is located near the first upper structure lifted by the upper structure lifting devices. And the first upper structure is horizontally moved toward the upper structure transfer vehicle.