The first and foremost requirement of an adequate joint design is that the joint should be capable of accommodating all movements of the deck viz. translation and rotation In the process, it must not cause unacceptable stresses either in the joint itself or in the structure by way of restrain. Further requirement is a low noise level especially in an urban environment. The replacement of an expansion joint is always combined with a traffic interruption - at least on the affected lane. Therefore, expansion joints should be robust and suitable for all loads and local actions under all weather conditions. The replacement of all wearing parts should be possible in a simple way.
The main types of Expansion Joint are mentioned below: