Do you need any help? We are here to help!

Please contact us to provide you with satisfactory products and become a reliable supplier and service provider in the industry

Home page

Excessive retraction of the steel strand

Release time:

2026-01-21

Replace with qualified clamping plates Adjust the height of the stop plate

Standard: Generally ≤6 mm

Causes:

- Poor-quality clamping plates

- Stop plate set too deep

- Insufficient pressing force

Solutions:

- Replace with qualified clamping plates

- Adjust the height of the stop plate

- Apply pressing force to anchor the anchor after tensioning to the design force

Latest News

The Overall Outlook for the International Bridge Engineering Industry

The bridge industry is transitioning from labor-intensive to technology-intensive, green and smart, and asset-service oriented. Chinese enterprises lead globally in ultra-long-span bridges, smart construction, and cost control, with vast potential for overseas expansion and the export of standards.

2026-05-28

Common Safety Hazards (Important to Note)

1. Personnel at the tensioning end → Do not stand directly behind the jack 2. Stranding rebound → Install protective barriers

2026-04-16

Solutions to Common Issues with Front Car Jacks (the 27t/30t models you asked about earlier)

Apply anchor release agent and replace the tool anchor regularly; retract slowly.

2026-03-19

Excessive retraction of the steel strand

Replace with qualified clamping plates Adjust the height of the stop plate

2026-01-21

Solutions for Poorly Compacted Grout, Voids, and Grout Leakage in Ducts

Ensure accurate cement slurry mix proportions and control the slump between 14 and 18 seconds. Use vacuum-assisted grouting with a negative pressure of -0.06 to -0.08 MPa.

2025-12-13

Solution for Asynchronous Tensioning (Tensioning at Both Ends)

Significant pressure difference between the two ends; the elongation values do not match.

2025-11-15