Reinforcement Anchor Plate (RAP)
Reinforcement Anchor Plate (RAP)
Precast Concrete Rebar Anchoring Component Product Brochure
1. Product Introduction
The Reinforcement Anchor Plate (RAP) is a high-strength alloy steel component designed for prefabricated construction (PC) industries. It enhances the bond strength and tensile resistance of reinforcing bars (rebars) embedded in concrete, effectively preventing rebar pull-out under load.
In the context of prefabricated building industrialization, RAP is pre-embedded in concrete components such as walls, beams and columns before casting. When connected with threaded sleeves, lifting rings, or formwork tie rods, it ensures structural integrity, facilitates efficient assembly, and improves the overall mechanical performance of precast elements.
2. Product Parameters & Specifications
| Parameter Category | Typical Specification / Range | Description |
|---|---|---|
| Material | High-strength alloy steel (40Cr, 42CrMo) | Premium base material for superior tensile and anchoring performance |
| Thread Type | Metric (M16–M36) / UNC / UNF optional | Customizable thread standards available |
| Thread Size | M16, M20, M24, M30, M36 | Customizable sizes for different rebar diameters |
| Outer Diameter (OD) | Φ30mm – Φ80mm | Varies with corresponding thread size |
| Thickness | 10mm – 30mm | Customizable based on load requirements |
| Tensile Yield Strength | ≥785 MPa (40Cr) / ≥930 MPa (42CrMo) | High load-bearing capacity for heavy-duty applications |
| Surface Treatment | Hot-dip galvanizing (≥85μm) / Black oxide / Zinc plating | Corrosion protection options for various environments |
| Application Temperature | -40℃ ~ +200℃ | Suitable for extreme climate and industrial conditions |
3. Installation & Usage Instructions
3.1 Pre-embedding
Position the RAP in the rebar cage of the precast component (wall, beam, etc.) before concrete casting. Ensure the plate is aligned with the rebar’s axis.
3.2 Rebar Connection
Screw the rebar with matching thread into the RAP’s internal thread. Tighten to the specified torque as indicated in the technical datasheet.
3.3 Post-Casting Inspection
After concrete curing, verify the RAP is firmly anchored without displacement and the rebar is fully engaged.
3.4 Secondary Connection
Use the RAP to connect with threaded sleeves, lifting rings, or formwork tie rods for lifting, bracing, or formwork retention purposes.
4. Application Scenarios
- Prefabricated Concrete Components: Walls, beams, columns, and floor slabs in residential and commercial buildings.
- Formwork Systems: Tie-rod connections for aluminum, steel and wood formwork to retain formwork during concrete pouring.
- Lifting & Bracing: Anchorage for lifting rings such as swivel hoist rings and diagonal bracing in precast assembly.
- Infrastructure: Bridges, tunnels, and industrial facilities requiring high-strength rebar anchorage.
5. Safety Precautions
- Load Capacity: Never exceed the rated tensile load (WLL) specified in the technical datasheet.
- Corrosion Prevention: Inspect surface treatment such as galvanizing regularly; re-treat if damaged.
- Installation Torque: Use calibrated torque wrenches to avoid over-tightening which may damage threads or under-tightening which causes slippage.
- Compatibility: Ensure thread type and size match the rebar and connecting hardware such as sleeves and rings.
- Storage: Store in dry, corrosion-free environments; avoid contact with moisture, chemicals, or sharp objects.
6. OEM & ODM Customization Services
We offer full-spectrum customization to meet the unique needs of global clients:
- Material Upgrade: Alloy steel (42CrMo), stainless steel (304/316), or carbon steel with special heat treatment available.
- Dimension Customization: Tailored outer diameter, thickness, thread size, and flange design.
- Surface Finish: Options include hot-dip galvanizing (HDG), powder coating, zinc plating, and DACROMET.
- Marking & Branding: Laser engraving of logo, batch number, or technical specs such as WLL and material grade.
- Packaging: Custom wooden crates, anti-corrosion wrapping, and export-compliant packaging such as ISPM15.
7. Why Choose Us?
- Industry Expertise: Over 10 years of experience in precast construction hardware, trusted by top PC manufacturers worldwide.
- Quality Assurance: ISO 9001 certified with 100% traceability from raw material through production to testing.
- Technical Support: Dedicated engineers provide CAD drawings, load calculations, and on-site training.
- Global Supply: Fast delivery to North America, Europe, Asia, and Africa with flexible MOQ.
- Cost-Effectiveness: Factory-direct pricing with no middleman plus bulk order discounts.
