Experimental Study on Deformation and Fatigue Performance of Noise Reduction Expansion Joint for Highway Bridge

With the enhancement of people’s awareness of environmental protection and the improvement of people’s requirements for driving comfort, the new types of noise reduction expansion joint for highway bridges came into being. In addition to noise reduction performance, deformation and fatigue performance are also the main performance indexes. Sufficient deformation and fatigue resistance performance can prevent the expansion joint from damage during its working life to ensure product quality. The deformation and fatigue performance of the noise reduction expansion joint were experimentally studied in combination with relevant test specifications at home and abroad, and then the rules were summarized. It is supposed to provide reference for academic researches on noise reduction expansion joints.