YJM Anchor and Wedge System for PC Strand – Dependable Post-Tensioning Anchorage
Our YJM13/15 anchor and wedge system is purpose-built for post-tensioned concrete structures using 12.7mm to 15.2mm PC steel strand. In prestressed concrete, the anchorage system bears the entire prestress load – that’s why we engineer every component to exceed industry standards.
Technical Specifications:
• Compatible strand diameter: 12.7mm – 15.2mm (7-wire PC strand)
• Series: YJM13 / YJM15
• Hole count: 1 hole through 55 holes (custom configurations available)
• Wedge material: 20CrMnTi alloy steel
• Wedge hardness: HRC 50 – HRC 65 (case-hardened)
• Anchor body material: Alloy steel / carbon steel / cast iron
• Suitable for: Standard 7-wire PC strand (9.3mm – 21.8mm range supported across our product line)
System Components:
Each anchorage system can be supplied as a complete kit including:
• Anchor head / anchor plate
• Wedges / chucks / grips (2-piece or 3-piece design)
• Bearing plate / load transfer plate
• Spiral reinforcement helix
• Duct / corrugated pipe (metal or plastic)
• Shim plates / spacers
• Couplers / strand connectors
Performance You Can Trust:
Zero Slippage Design – Precision-machined wedge teeth with optimized tooth geometry ensure maximum bite into the strand without causing premature wire breaks. The result is reliable anchorage with minimal set-loss.
Full Range of Sizes – From single-hole mono-anchors to 55-hole multi-strand anchor heads, we cover the full spectrum of post-tensioning applications.
Custom Manufacturing – Special hole patterns, load ratings, and dimensions? We make it. Tell us what your project needs and we’ll engineer it.
Certified Quality – ISO 9001:2008 certified manufacturing with BV and SGS factory audits. Every batch is tested for hardness, dimensional accuracy, and load capacity.
Where They’re Used:
• Post-tensioned bridge girders and decks
• Building floor slabs and transfer girders
• Retaining walls and basement structures
• Ground anchors and soil nail walls
• Precast concrete elements
• Nuclear containment structures
• Dam and reservoir construction
Capacity & Experience:
With over 20 years focused exclusively on prestressed steel products and a production capacity of 10,000+ sets per week, we’re equipped to supply projects from small-scale residential to mega infrastructure.
Order Information:
• MOQ: 100 holes
• Payment terms: T/T, L/C at sight
• Lead time: 10 – 15 working days
• Shipping: Sea freight or air express
• Customization: Available on request
Don’t compromise on the critical components. Contact us for technical datasheets, CAD drawings, and competitive quotations.
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