Grid metal for repair and reinforcement of concrete structures.
This is a reinforcement method for RC members using lattice steel plates (steel plates processed in a lattice shape). The reinforcement cross-section can be made thin, and it can reduce labor on site.
■ Grid metal is a product that reinforces deteriorated RC structures by integrating with polymer cement mortar. By processing steel plates into a grid pattern, it allows for a thinner reinforcement layer, making on-site work more efficient. ■ It is used for reinforcing the underside and top side of RC bridge decks, repairing and reinforcing deteriorated box culverts, and reinforcing RC beams. By reducing the repair thickness, it enables a reduction in repair loads and ensures the maintenance of internal space. ■ Features of the grid metal method: ◎ Since it is processed in the factory to match the shapes of tunnels and box culverts, it can streamline on-site construction. ◎ With vertical and horizontal bars on the same plane, the reinforcement cross-section can be made thinner, minimizing the increase in dead load and favorably ensuring internal space. ◎ By applying corrosion protection treatments such as hot-dip galvanizing and epoxy resin coating, it excels in corrosion resistance and contributes to the longevity of structures. * For more details, please request materials or view the PDF data from the download section.
basic information
■ NETIS Registration (Publication Period Ended) Reinforcement Method for RC Members Using Grid Metal Registration No: QS-150039-A (Subtitle) Reinforcement Method for RC Members Using Steel Plates Processed in a Lattice Shape ■ Road Maintenance and Repair Work - Bridge Repair and Reinforcement Work - Upper and Lower Surface Thickening Work ■ Bridge Superstructure - Steel Bridge Deck Work ■ Common Work - Box Culvert Work - Others ■ A method for reinforcing existing RC structures by integrating lattice-shaped processed steel plates (grid metal) with sprayed polymer cement mortar. ■ Expected Effects - Using grid metal improves workability and shortens construction time. - Integrating grid metal with polymer cement mortar makes it easier to check the condition of the reinforcement surface. - Since the vertical and horizontal bars are integrated, it reduces labor for on-site rebar work. ■ Particularly Effective Application Range - Sites where it is necessary to suppress dead load increases. - Sites where construction time reduction is required. - Reinforcement of the underside of slabs and beams. ■ Points to Note - Material properties of members should comply with the Road Bridge Design Specifications and their explanations, and design calculations should be conducted in accordance with the "Design and Construction Manual (Draft) for Reinforcement Method for RC Members Using Grid Metal." * For more details, please refer to the PDF materials or feel free to contact us.
Price range
P2
Delivery Time
OTHER
Two months from the approval of the drawings.
Applications/Examples of results
Construction Achievements - Reinforcement of RC concrete beams (private factory) - Surface repair of concrete slabs (Tochigi Prefecture, Chichinoki Bridge) - Bottom reinforcement of concrete slabs (Tochigi Prefecture, Chichinoki Bridge longevity improvement project) - Interior repair of box culverts (Chiba Prefecture, Nakahara Bridge repair project) *For more details, please refer to the PDF materials or feel free to contact us.
Detailed information
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Line up（3）
| Model number | overview |
|---|---|
| LA-6-100/12G | Grid Metal Type A (Expanded Type) Thickness 6mm Equivalent to D10 (Plated) |
| LA-9-100/15G | Grid Metal Type A (Expanded Type) Thickness 9mm Equivalent to D13 (Plated) |
| LA12-100/24G | Grid Metal Type A (Expanded Type) Thickness 12mm Equivalent to D19 (Plated) |
catalog（6）
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