The expansion joints are also called the movement joints and they are designed to absorb the heat expansion and the contraction of the materials that are used during the construction of the building. The expansion joints are also used for allowing the movement that is caused due to the ground settlement or the earthquake. These joints are mainly found in between the sections of the railway tracks, bridges, ships, piping systems and the sidewalks. These structures are gaining in importance these days as they are having the wide range of utilities at the buildings.

Control Joints

The waterstop control joints are placed in the concrete and the asphalt and they are quite different from the expansion joints. The control joints are placed on the pavement at the regular interval to reduce the excessive contraction and expansion of the building material. The control joints that are used on the roads are …