Slab Anchor Head Wedge for 4 Strands
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slab anchor wedge for 4 strands
,strand wedges with anchor head
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Product Description
Slab Anchor Head Wedge for 4 Strands
A 4-strand slab anchor wedge is a post-tensioning component designed to secure 4*15.2mm steel strands (ASTM A416 standard) in thin concrete structures. It transfers strand tension evenly to concrete, used for bridge decks, building slabs, and parking garages.
Key Features
- 4-Strand Fit: Precisely spaced holes for 15.2mm strands ensuring uniform load distribution
- Standard Materials: Carbon steel anchor plate (45# steel) with heat-treated alloy steel clips (20CrMnTi)
- Self-Locking Wedges: Split clips grip strands and anchor plate during tensioning for stable anchorage
- Slab-Optimized: Compact flat plate design (~100mm diameter * 50mm thick) fits thin concrete applications
- Corrosion Options: Galvanized for general use; 304/316 stainless steel for corrosive environments
Technical Specifications
| Parameter | Industry Standard |
|---|---|
| Strand Count | 4 (15.2mm) |
| Anchor Plate Size | ~100*50mm |
| Applicable Concrete | ≥25MPa compressive strength |
Common Applications
- Bridge deck transverse prestressing
- Building floor slab reinforcement
- Parking garage prestressed flat slabs
Installation Process
- Embed flat ducts and align with anchor plate
- Thread 4 strands and insert clips
- Tension strands with a jack according to specifications
- Grout ducts post-tensioning
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