Post-tensioning anchor head for bridge and railway civil structures

Post-tensioning anchor head for bridge and railway civil structures

Technical Parameter of our anchor head  

Company Profile

1. Our company was founded in 1995, and supply all components of post-tension, pre-tension anchorage systems and accessories.
2. We have a team of 150 workers including 5 engineers and 6 technicians who have got a lot of experience in post-tension anchorage system.

The main performance of our anchor head

1. Anchorages be cast units and assemblies that are strandard with the pre-stressing manufacturer’s system.

2. All anchorages and couplers develop at least 95 percent of the minimum specified ultimate strength of the pre-stressing steel, when tested in an un-bonded state, without exeeding anticipated set.

3. Anchorages tested in accordance with AAREMA, AASHTO, AASHTO LRFD Design and Construction Specification or BS4447

4. Anchor cones, blocks and plates shall be hot dip galvanized.

General Tensioning Requirements

1. Pre-stressing steel shall be tensioned by hydraulic jacks so as to produce the forces shown on the detailed design drawings with appropriate allowances for all losses.

2. For post tensioned work the losses shall also include the anchor set loss appropriate for the anchorage system employed.

3.Maximum applied load on the strands shall not exceed 80% from the ultimate breaking force.

4.The calibration of all the jacking and pressure gauges equipments shall be within 6 months, prior to stressing work commencement.