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Maintenance, repair, materials, machinery

JJJ (Just Joint J type) Metal fittings (Sound absorbing plate reinforcement/repair bracket)

Patent No. 5736263

Patent No. 6121355

NEXCO Maintenance Tohoku Co., Ltd.
Product Summary
A metal fitting that reinforces and repairs cracks that occur on the front plate of the sound insulation wall sound absorbing plate with simple work.
Features/Specifications
  1. It enables quick reinforcement and repair with a small amount of equipment and simple work.
    [Equipment used: electric drill, bank deposit, blind riveter]
  2. Low cost and long life can be expected.
Recommended mounting number
Test method NEXCO Test Method 901-2014
Recommended mounting number Sound absorbing board 2m: 3-4 pieces
Sound absorbing board 4m: 6-8 pieces

It has been confirmed that the performance will not deteriorate by loading an equal load of 2.0kN/m2 across the sound insulation wall.

Achievements (sales/construction/introduction)

Our company:
Other road companies:

7,050枚
1,130枚

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