Expansion Joints for Road Bridges Requirements and Reality Durability and Noise

Expansion joints are important parts of the traffic infrastructure to connect bridges and roads. There are different traditions to design expansion joints due to different types to design bridges like single span beams or continuous beams. There are some national rules, but no common European rules until now: An European Technical Approval Guideline for expansion joints is in preparation. The noise of expansion joints is a problem near settlements, some efforts were made to avoid it respectively to compensate it.