| 摘要 |
A bolt loosening prevention structure of an expansion joint device of a bridge is provided to secure the safety of vehicles by preventing the movement of an expansion device. A bolt loosening prevention structure of an expansion joint device of a bridge comprises a finger plate(10) having continuous fingers and finger insertion grooves formed repeatedly on one side, a base plate(20) fixed to the bottom of the finger plate, an anchor socket laid and fixed to a bridge deck(100) while the top is coupled and fixed with the finger plate, and a bolt insertion hole formed in the finger plate to insert a fastening bolt(40) for coupling with the anchor socket. |
