BRIDGE GIRDER SUPPORTING STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a bridge girder supporting structure capable of absorbing a horizontal movement amount caused by the expansion and contraction of a bridge girder due to a variation in temperature and also providing excellent earthquake resistance. SOLUTION: Holes 6 and 7 capable of communicating with each other are provided in a bridge girder 1 and a support part 4 supporting the bridge girder 1. A PC steel material 9 is inserted into these holes 6 and 7, and one end part 9a of the PC steel material 9 is fixed to the bridge girder 1 side and the other end part is fixed to the support part 4 side so as to tense the PC steel material 9. By the tension of the PC steel material 9, the bridge girder 1 and support part 4 are compressed, and the support part 4 is brought into contact with the bridge girder 1 side with a specified frictional force so as to be movable relatively to each other in the horizontal direction.