HOME Product Expansion Joints > Steel Expansion Joints
New Finger Joint U-Type (NFJ-U)
 








- With simple structure, durable steel materials, it has semi-permanent life.

- Without blockade, it is possible to maintain the waterproof materials.

- Additional rainwater gathering box and periodic cleaning are need.

- With finger and serial structure of finger, it is less influenced by noise and impact.

- It is the structure absorbing expansion by membrane dynamics of waterproof materials.

- The waterproof materials are made of synthetic rubber that has high ozone resistance, cold resistance and durability, so it has excellent durability.

- Cut manufacture, installation make speedy and economical maintenance possible.

- With direct drainage system, the drainage is excellent.
























(Unit : mm)
MODEL NO. Expansion
Amount
Structural Space C H BOLT
Min Mid Max
NFJ-160U 160 80 160 240 370 250 M22
NFJ-200U 200 100 200 300 380 250 M22
NFJ-250U 250 125 250 375 400 250 M22
NFJ-300U 300 150 300 450 420 250 M22
NFJ-350U 350 175 350 525 430 300 M22
NFJ-400U 400 200 400 600 450 300 M24
NFJ-450U 450 225 450 675 460 330 M24
NFJ-500U 500 250 500 750 470 350 M24
NFJ-550U 550 275 550 825 480 350 M24
NFJ-600U 600 300 600 900 500 350 M24

* 1. The above dimensions are starndard dimensions. They are subject to change depending on the site conditions.
  2. A curved bridge may cause the finger shape/angle to vary depending on the direction of expansion joint or rotation.
  3. The leakage prevention facility in the lower area of the expansion jcint device.

      <Korean Expressway Corporation : review of the expansion joint device leakage prevension facility (2008.07)>
   





(per 1m)
MODEL NO. Finish Concret
(400kgf/§²)
Reinforcement
(D16)
MODEL NO. Finish Concret
(400kgf/§²)
Reinforcement
(D16)
NFJ-160U 0.185 §© 19.28 kg NFJ-400U 0.270 §©

25.71 kg

NFJ-200U 0.190 §© 19.28 kg NFJ-450U 0.304 §© 25.71 kg
NFJ-250U 0.200 §© 19.28 kg NFJ-500U 0.329 §© 25.71 kg
NFJ-300U 0.210 §© 19.28 kg NFJ-550U 0.336 §© 25.71 kg
NFJ-350U 0.258 §© 19.28 kg NFJ-600U 0.350 §© 25.71 kg