THE GURDER TO USE STEEL PIPE FOR BRIDGE

摘要

PURPOSE: A bridge girder using a steel pipe is provided to enable a variety of shapes of girder to be manufactured by a steel pipe, which is inserted into a shape maintaining unit. CONSTITUTION: A bridge girder(1) using a steel pipe is as follows. A plurality of shape maintaining units(10) are formed by a plurality of inserting tubes(11) and a connecting member(12). The connecting member is fixed to the inserting tubes and connects them. The shape maintaining units have a circular, ellipse or polygonal shape and are arranged at intervals. A steel pipe(20) is inserted into the inserting pipe of the shape maintaining unit.