Problems of conventional rail-type expansion joints
The small-capacity expansion devices ordered by Korea Highway Corporation tend to be applied from the new monocell type to the rail type, and due to the characteristics of the road, there are many high-speed vehicles, and the vehicle load applied to the new device is large, so the durability improvement product is applied.
Rail-type expansion joint device for bridges using eyebolts
By attaching eyebolts to the side of the steel profile and passing the reinforcing reinforcing bars through them, it is possible to firmly fix the reinforcing bars and to prevent the reinforcing bars from flowing and separating during non-shrinkage concrete placement, thereby increasing concrete adhesion and improving durability.
overview
After the rail beam (mid profile, edge profile) is manufactured by extrusion, it is manufactured by sandwiching a waterproof seal that has a sealing function integrally without segments for the entire width of the bridge, so it is excellent in waterproofness and does not require separate maintenance.
