Tangshan bridge bearing manufacturer introduced the main functions of bridge bearings and the classification of rubber bearings

The main function of the bridge support is to reliably transfer the reaction of the superstructure to the piers and abutments, and adapt to the deformation (displacement and rotation) of the beam structure. According to these performance requirements, the plate-type rubber bearing shall have sufficient rigidity in the vertical direction to ensure that the bearing produces small compression deformation under the action of large vertical load. In general, the large compression deformation of the bearing should not exceed 15% of the rubber thickness. The rubber bearing shall be flexible in the horizontal direction to adapt to the horizontal displacement of the beam body under the action of vehicle braking force, temperature, concrete shrinkage and creep and live load. At the same time, the thickness of the support should meet the needs of beam rotation.

Plate rubber bearings are divided into ordinary plate rubber bearings and tetrafluoro plate rubber bearings. For ordinary bridge bearings, it is applicable to bridges with span less than 30m and small displacement. Different plane shapes are suitable for different bridge span structures, and rectangular bearings are used for orthogonal bridges; Circular bearings are used for curved bridges, skew bridges and cylindrical pier bridges. Tetrafluoroethylene plate-type rubber bearing is applicable to large-span and large-displacement bridges, multi-span continuous, simply-supported beam continuous plates and other structures. It can also be used as a slider in the horizontal movement of continuous top beam and t-beam. The application of rectangular and circular PTFE plate rubber bearings is the same as that of rectangular and circular ordinary plate rubber bearings.

Tangshan bridge bearing manufacturer introduced the main functions of bridge bearings and the classification of rubber bearings. If you have other things you don't understand, you can leave a message or contact us.