ROUND ANCHOR

1.Product OverviewMulti-hole circular anchors (also known as group anchors) are...


  • Compatible with steel strands: ● φ15.2 mm (1/2") / φ15.7 mm (0.6") ● φ12.7 mm (1/2") (Complies with ASTM A416, GB/T 5224, and other standards)
  • Number of Anchoring Steel Strands: 3, 4, 5, 7, 9, 12, 19, 22, 27, 31, 37, 55... etc., customizable upon request.
  • Diameter (D): From approximately 100mm (3 holes) to 400mm+ (19 holes and above).
  • Thickness (H): From approximately 50mm to 120mm+. (Specific dimensions strictly correspond to the number of holes, steel strand diameter, and design load.)

Description

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1.Product Overview

Multi-hole circular anchors (also known as group anchors) are the most widely used and technologically mature anchoring form in post-tensioned prestressed 

systems. Utilizing circular anchor plates, they can simultaneously anchor multiple steel strands, making them an ideal choice for bearing high-tonnage prestressing 

loads. Their classic design and reliability have made them a cornerstone of large-scale projects.


2.Product Features

Strong Load-Bearing Capacity:** Scientifically designed to evenly distribute and transfer enormous concentrated stresses, supporting anchoring capacities from 

tens of tons to tens of thousands of tons, meeting the most demanding engineering design requirements.

Excellent Versatility and Interchangeability:** Conforms to mainstream international technical standards, exhibiting excellent compatibility with common prestressed 

steel strands and tensioning equipment, ensuring strong on-site applicability.

Compact Structure and Good Integrity:** The circular structure distributes stress evenly. When used with cast iron trumpet tubes, spiral reinforcement, and other 

components, it effectively optimizes localized concrete bearing capacity, preventing damage caused by stress concentration.

Various Anchor Position Options:** We offer a variety of specifications ranging from 3 to dozens of anchor positions, allowing for flexible selection based on your 

specific design load to achieve the best cost-effectiveness.


3.Main Application Areas

Long-span bridges (prestressed tendons for box girders and T-beams)

Roofs and beam systems for large stadiums and airport terminals

Nuclear power plant containment structures and large hydropower dams

Transfer beams and foundation beams for high-rise buildings

Foundations for heavy industrial plants and equipment

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