ELASTICITY SUPPORT APPARATUS FOR A BRIDGE

• Main Author: RYU, YONG KEUN
• Format: Patent
• Language: English
• Published: 18.07.2008
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

An elastic bearing system for a bridge is provided to replace an elastic bearing used for a bridge easily. An elastic bearing system for a bridge comprises a sole plate provided with anchor bolts fixed at the bottom, fastening grooves formed on the upper corners in the opposite direction of the anchor bolts and a projection formed in the center of the top to be projected in the transverse direction, a sliding plate provided with first fastening holes corresponded to the fastening grooves of the sole plate and a bend formed in the center and fitted to the projection of the sole plate to function as a shock absorber between a sole plate and a lower bearing plate, a lower bearing plate provided with second fastening holes corresponded to the first fastening holes of the sliding plate and a fitting groove formed in the center and fitted to the bend of the sliding plate to fix the sole plate, the sliding plate and the lower bearing plate in order by bolts installed to the fastening grooves, and the first, second fastening holes, an elastic bearing unit standing live load of a bridge, as a rectangular parallelepiped rubber material mounted to the top of the lower bearing plate and provided with a shock absorbing hole, a separation prevention bar formed by enclosing a metal reinforcement material such as an L-shaped steel plate with an elastic material such as rubber and provided with third fastening holes corresponded to the second fastening holes to be fixed to the top of the lower bearing plate by bolts and a first rugged part engaged with a second rugged part formed on the elastic bearing unit, and an upper plate mounted to the top of the elastic bearing unit.