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Post tensining hydraulic jack with multi strands

Post tensining hydraulic jack with multi strands

Description of Post tensining hydraulic jack with multi strands
1 main parts of the jack is made of high strength steel, has the advantages of compact structure, light weight, small size and characteristics.
2 short axial length, steel wire tension for short length, can save steel material.
3 lifting and flexible, durable, easy operation and convenient maintenance.

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Description of Post tensining hydraulic jack with multi strands


Post tensining hydraulic jack with multi strands of the steel strand (or individual wires) is usually by means of hydraulic jacks. In pre-tensioning, single strand jacks may be used. In post-tensioning the strands are often grouped to form tendons. These may be stressed by large, multi-strand jacks. The load induced into the strand is determined from the pressure in the hydraulic oil supplied to the jack or from the extension of the strand.

Wedge grips are used to grip each strand during stressing and to hold the strand permanently in the tendon anchor after stressing. The jack is removed after stressing and anchoring. In post-tensioning the prestressing force is applied directly to the concrete. In the case of pre-tensioning the anchor holds the strands until after the concrete has gained sufficient strength; the strands are then released, transferring the prestressing force to the concrete.


Hydraulic stressing Jack post tension working.jpg



post tensioning hydraulic jack with multi strands

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post tensioning hydraulic jack with multi strands

About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.

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