Description

Bridge expansion joints are designed to adjust its length accommodating movement or deformation by external loads, shrinkage, or temperature variations, and allow for continuous traffic between bridge structures and interconnecting structures (another bridge or abutment). 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. Types of Expansion Joints are as follows :

1.   Strip Seal Expansion Joint Systems

 2.   Slab Seal Expansion Joint Systems

3.   Modular Expansion Joint Systems

4.   Combine Expansion Joint Systems

   5.   Sinus Plate Expansion Joint Systems

   6.   Finger Type Expansion Joint Systems