|Type of Bearing||Bridge Expansion Joint System|
|Usage/Application||Road and Railway Bridge|
|Size||1/2" - 1 1/4" (12mm - 35mm), 1 1/2" - 4" (40mm - 100mm)|
United executes projects for Railway and Road Bridges giving complete start to end solution. We have complete assembly line to execute the project in stipulated time frame with well qualified and experienced staff. Key strength being one of the premier fabrication shops equipped with high performance machines & tools offering wide range of services.
A bridge bearing is a component of a bridge which typically provides a resting surface between bridge piers and the bridge deck. The purpose of a bearing is to allow controlled movement and thereby reduce the stresses involved. ... The oldest form of bridge bearing is simply two plates resting on top of each other. Bearing used in the construction of bridge structure is divided into two major categories namely expansion bearings and fixed bearings. The former permits both translational and rotational movements whereas the latter allow rotational and limited translational movements.
Bridge expansion joints are designed to allow for continuous traffic between structures while accommodating movement, shrinkage, and temperature variations on reinforced and prestressed concrete, composite, and steel structures. The expansion joints can also be used for reducing internal forces in extreme conditions and allow enough vertical movement for bearing replacement. Steel expansion joints are most commonly used, though rubber joints are also often used to provide a smooth transition for modern bridge construction, or continuous girders
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