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Post Tension Anchor|multiple Holes

Post Tension Anchor|multiple Holes

Application for the post tensioning anchor:
1. post tensioning of anchor can be used efficiently in all applications of Building and Civil Engineering works including
A. Building floor slabs B. Bridge girders C. Many other applications
2. post tensioning of anchor is commonly used in bridge construction as well as other civil Engineering structures such as Silo, Water tank etc.
3. The strands are individually gripped in one anchorage unit and transmits their prestressing force by means of anchor plate casting unit type M.
4. For each anchor size a special spiral reinforcement is provided at the anchor plate casting to give adequate splitting reinforcement for burstling stresses developed at the anchorage zone.
5. The strands in tendon are stressed simultaneously by means of a multi strand stressing jack from capacity 1,100 KN up to 5,000 KN. In case of small size tendon unit such as type M405 the strands can also be stressed individually by means of mono jack.
6.To ensure corrosion protection and to give adequate bond strength, the tendons are filled with suitable cement grout mix after complete stressing of the strands.

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  • Product Details

Description of Post tension anchor

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Parameters of post tension anchor:

According to the diameter of steel stranded wire can be divided into YM12.7, YM13, YM18 type anchorage, the anchoring system is mainly applicable to the strength of 1860MPA-2000Mpa and below the level of 12.7mm, 12.9mm, 15.24mm, 15.7mm, and 17.8mm as the standard strength of steel strand of 5mm-7mm high strength steel beam 1670Mpa. Wide range of options, YM is suitable for design of tension anchor system between 0-12000KN, the number of steel strand range is 55;


Post tension anchor including the M series steel wire tension and anchor system: M13 (anchorage for 12.7-12.9mm steel strand and anchorage (M15) used in 15.2-15.7mm steel wire) with YCW series Jack and ZB4-500 type electric pump for tension; for flat structure BM13 and BM15 flat anchorage for cyclic stress; the structure of the HM13 and HM15 ring anchor.


precautions in use of anchorages:
The tool clamping has three pieces, and the work clip has two pieces, and the two can not be mixed. The work anchor can not be used as a tool anchor and can not be reused;

(1) the Multi-Holes Anchorage shall be properly kept, when using not rust, water contamination and other debris. Work clip removed the box of foam can be used, but when the prestressed beam is long, must be repeated tension anchor, anchor plate in the taper hole with a small amount of lubricant (such as anchors spirit), both many times to anchoring work clip up and back anchor helps anchor; tool clamping piece outer surface and the anchor plate surface using taper hole coated with lubricant, and often remove clip surface debris, can make the back tension anchor  flexible, but when the clamp crack or tooth surface damage when you need to replace, not again use;


(2) the tension should be safety measures, Jack can not stand;


(3) the anchorage system should be matched, do not mix with other system. To do static load test, please use organic solvents (such as gasoline) cleaning clip and anchor hole anti rust oil wipe clean, otherwise it will affect the anchorage performance;


(4) prestressed construction should be carried out by professional construction team, and construction personnel should be professionally trained to hold the post Multi-Holes Anchorage


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