MAIN GIRDER FOR BRIDGE, BRIDGE HAVING SAME MAIN GIRDER, AND BRIDGE CONSTRUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a main girder for a bridge that can be easily assembled.;SOLUTION: A main girder 1 is comprised of a plurality of a BH steel 2 connected in the longer direction. Each of the BH steel 2 comprises a projecting part 21a provided on a tip area of a web 21 which protrudes towards the BH steel 2 on a mating side and overlaps the web 21 on the mating side. Each of the projecting part 21a is provided with a mutually overlapping round hole 21b. A cylinder-shaped fastening pin 21c is inserted in each of the overlapping round hole 21b to connect both BH steel 2 to form the main girder 1 of a bridge.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT