| 摘要 |
PURPOSE: An aluminum joint for an expansion joint of a bridge is provided to reduce in deadweight and to increase strength of the top contacted directly with wheels of a vehicle, and to cut down maintenance costs for an expansion joint of a bridge by increasing the durability of an aluminum joint. CONSTITUTION: An aluminum joint for an expansion joint of a bridge contains: an aluminum joint(10) provided with a rubber insertion groove coupled with two ends of a rubber member(100) in the longitudinal direction, a coupling projection and a coupling groove; and a reinforcement rail(20) fixed to the top of the aluminum joint by compression and provided with a coupling projection and a coupling groove. |
