Rubber Bearing For Building Isolator Bridge Elastomeric Rubber Isolation

​Introduction of Rubber Bearing for Bridge:

The Rubber Bearing for Bridge also known as elastomeric bearings, are a critical component in modern bridge design. They are placed between the bridge superstructure (the deck and supporting beams) and the substructure (the piers and abutments) to allow for controlled movement and flexibility.

Rubber Bearing for Bridge are often used in applications where the bridge is expected to experience significant thermal expansion, seismic activity, or other types of movement. The curved shape and rotational capacity make them well-suited to handle these demanding bridge loading conditions.

The bearing capacity of Rubber Bearing for Bridge depends on the following three situations:

(1) The rubber itself is crushed or cut;

(2) the compression deformation and shear deformation of rubber exceed the allowable use;

(3) When the support (concrete, steel plate or other) is pulled off by the outward reverse horizontal shear force of rubber or the contact surface of the support and rubber slips off each other.

Classification of Rubber Bearing for Bridges: round board type rectangular plate type

Scope of application: ordinary bridge rubber bearing is suitable for the span of less than 30 meters, small displacement of the bridge. Different plane shapes are suitable for different bridge spans, rectangular support for orthobridge; curved, diagonal and cylindrical piers.

At the same time, the sewage and grease should be cleaned, and the water in the pier and cap should be removed in time. When the silt or silicone grease is dried between the contact surface of the PTFE slide and the stainless steel plate, it should be cleaned up in time and new silicone grease should be injected.

In the daily inspection and maintenance of the bridge rubber bearing, should check whether the various parts of the support are kept complete and clean, and the garbage, snow and ice around the support should be eliminated in time to ensure the normal operation of the support.

Evercross Steel Bridges Overview :

Key functions of Rubber Bearing for Bridge:

Accommodating thermal expansion and contraction

Supporting vertical loads

The rubber used in these bearings is typically neoprene or natural rubber, which provides the necessary flexibility, strength, and durability. Rubber bearings can be designed in various shapes, sizes, and configurations to match the specific requirements of each bridge project.