finger expansion joint

Finger Expansion Joints

Finger expansion joint is made up mainly of steel plates, rubber seal and anchor bolts. This kind of expansion joint has good properties, such as smooth ride, moisture resistance, and easy to install and replace.

Finger expansion joints are designed to handle movements of 40 mm to 1,000 mm and are composed of steel finger plates, CR sheet, anchor bolts, and other components. The rubber sheet is placed on the retractable steel, and anchor bolts help to fix the whole structure. The orientation of the fingers is in the direction of vehicle travel, which can reduce noise and improve the driver’s comfort. A drainage channel is firmed and connected with the two steel edge profiles, which ensures the expansion joint is watertight.

Features and benefits:

  • Long service life
  • Reliable installation
  • Low noises
  • Smooth driving
  • Excellent waterproof function

Application of Finger Type Bridge Expansion Joint

Finger type bridge expansion joint is widely used in highway and railway bridges, and any construction like this to protect the bridge edge joint with road.

finger type expansion joint (3)
finger type expansion joint (2)
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