Post-Tension Wedge
As a core component in post-tensioning systems, our Post-Tension
Wedge is engineered to deliver exceptional anchoring performance,
ensuring structural stability and safety in a wide range of
concrete construction projects. Designed with precision and
manufactured to strict international standards, this wedge plays a
critical role in transferring tensile forces from the
post-tensioning tendons to the concrete structure, making it an
indispensable part of modern precast and cast-in-place
construction.
Product Overview & Core Functions
The post-tension wedge is a wedge-shaped clamping device that works
in conjunction with anchor plates and tendons (such as steel
strands). Its primary function is to achieve reliable anchoring by
utilizing the wedge effect: when the tendon is tensioned, the wedge
is pulled into the anchor plate's conical hole, generating a strong
clamping force that grips the tendon tightly. This prevents
slippage of the tendon and maintains the pre-stress in the concrete
structure, effectively enhancing the structure's load-bearing
capacity, cracking resistance, and durability.
Key Features & Technical Advantages
- High Precision Manufacturing: Produced using advanced CNC machining technology, our wedges
feature precise dimensional accuracy and smooth surface finish. The
conical angle and tooth profile are optimized to ensure perfect
compatibility with matching anchor plates and tendons.
- Superior Material Performance: Made from high-quality alloy steel, the wedges undergo rigorous
heat treatment (quenching and tempering) to achieve excellent
mechanical properties, including high tensile strength, hardness,
and wear resistance.
- Reliable Anchoring Performance: The specially designed tooth profile on the inner surface provides
strong gripping force without damaging the tendon. Extensive
testing confirms that our wedges meet or exceed international
standards.
- Easy Installation & Compatibility: Lightweight and compact design allows for easy on-site
installation, reducing construction time and labor costs. Available
in various specifications to match different tendon diameters.
- Corrosion Resistance: Optional anti-corrosion treatments (such as galvanizing or epoxy
coating) enhance resistance to moisture, chemicals, and corrosive
factors, extending service life in harsh environments.
Applicable Scenarios
- High-rise buildings, bridges, and viaducts
- Precast concrete components (beams, slabs, columns, walls)
- Tunnels, dams, and other hydraulic structures
- Industrial plants, warehouses, and large-span structures
- Retrofitting and strengthening of existing structures
Quality Assurance & Standards Compliance
We adhere to a strict quality control system throughout the
production process, from raw material selection to final product
inspection. Each batch undergoes comprehensive testing, including
dimensional inspection, hardness testing, tensile anchoring
testing, and fatigue testing, to ensure consistent quality and
performance.
Standards Compliance
Our products comply with GB/T 14370: Prestressing Anchorages,
Couplers and Accessories
We also offer custom solutions to meet specific project
requirements, including non-standard sizes, materials, and surface
treatments.
