Elastomeric Bridge Bearings

Bridge Bearing: 1.The support at a bridge pier carrying the weight of the bridge. 2.We have more than 4000 staff. 3.ISO,CE

Elastomeric Laminated Rubber Bridge Bearings

1. Structure and performance of Elastomeri Laminated Bearings

Elastomeric Laminated Bearings is sulfurized and stuck gether by several layers of rubber sheet and thin steel plate. It has sufficient vertical rigidity, and can reliably transfer the counterforce on the upper structures to pier platform; it has fine elasticity, and can adapt to the rotation of beam end; it has great shearing deformation capacity, and can satisfy the horizontal displacement of the upper structures.

Adhere a layer of 1.5mm to 3mm thick polytetrafluoroethylene plate on the surface of the above Elastomeric Laminated Bearings, and polytetrafluoroethylene sliding Elastomeric Laminated Bearing is formed. Besides vertical rigidity andelasticdeformation, able to endure vertical load and suit to the rotation of beam end, the beam end can freely slide on the surface of the tetrafluoro plate due to the low friction coefficient of the polytetrafluoroethylene plate, and the horizontal displacement is not limited; it specially suit to bridges with medium or low load and large displancement.

Elastomeric Laminated Bearings not only has fine technical performances, but also has simple structure, low price, no maintenance, easy to change, buffering and shock is isolating, low building height, and other characteristics. Therefore, it is welcomed and widely used in bridges.

2.Applicability of Elastomeric Laminated Bridge Bearing:

2.1 General Elastomeric Laminated Bearing suits to bridges with span less than 30m and small displacement. Differentflat shape suits to different bridge span structures: orthogonal bridges adopt rectangular bearing; curvilinear bridges, obique crossing bridges and cylindrical pier bridges adopt circular bearing.

2.2Tetrafluoro Elastomeric Laminated Bearing suits to bridges with large span, several spansin continuous, with simply supported beam and continuous plates strutures, andlarge displacement. It can still be used as the sliding block in pushing ofcontinuous beam and cross sliding of T-shaped beam. The application ofrectangular and circular tetrafloro Elastomeric Laminated Bearings are the samewith rectangular and circular general Elastomeric Laminated Bearingrately.

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Contact:Ms Isabel