BUILD-UP TRESTLE FOR BRIDGE PIER REINFORCING WORK AND ITS USING METHOD

摘要

PROBLEM TO BE SOLVED: To realize a build-up trestle to which carrying-in and carrying-out function of materials is added to a conventional scaffold so that the carrying-in and mounting of a steel plate can be performed without disassembling the frame once assembled in the middle as it is. ;SOLUTION: A monorail suspending beam 5 (5a) is mounted on the top part of a curved surface frame formed of steel pipe-made gate frames 1, a cross brace, and a cloth frame with plate, which is constructed around a bridge pier P having a substantially circular section, in the normal direction to the bridge pier surface so as to be slightly protruded on the bridge pier side, a monorail 6 is mounted on the lower surface of the protruded part while holding a substantially equal distance to the bridge pier surface, and a geared trolley having a chain block suspended therefrom is mounted on the monorail 6 in such a manner as to be capable of being suspended and traveling.;COPYRIGHT: (C)1997,JPO