what is this expansion jointsmaster
What is this expansion joint?
As a moving ‘living’ structure, a bridge is continuously affected by vehicle load, wind conditions and temperature, which in turn contribute to its life span. Expansion joints are a vital component of any reinforced concrete, pre-stressed concrete and steel structures, and bridge decks in particular, expansion joint or movement joint is an assembly designed to safely absorb the temperature-induced expansion and contraction of construction materials, to absorb vibration, to hold parts together, or to allow movement due to ground settlement or earthquakes. They are commonly found between sections of buildings