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Maintenance, repair, materials, machinery

Bridge clearance repair technology

Patent No. 6302334

Patent No. 6325317

特許 第7020653号

NEXCO Maintenance Niigata Co., Ltd.
Product Summary
We have implemented survey, diagnosis, and repair of the bridge clearance (25 mm or more) of the RC hollow floor slab.

Investigation and repair method for concrete structures facing narrow gaps Patent No. 6302334
Unit equipment support and movement system in narrow play area Patent No. 6325317

Features/Specifications
  1. Construction with a clearance of 25 mm or more is possible
  2. Investigation and repair are possible without traffic regulation on the main line
  3. A series of free space surveys necessary for determining repair necessity can be performed
  4. Repairable by SSI method including salt adsorbent
Achievements (sales/construction/introduction)

Our company:

44㎡

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