Prestressing SOLUTION ｜ High-Strength Prestressing Material for Construction & Precast Infrastructure
For stressing bridges we supply
- Single-wire stressing jacks with adaptable stressing heads for various anchors
- Multi-stressing jacks with automatic stressing grips:
- from 650 up to presently 22000 kN
- from 100 up to 1000 mm stroke
- with/without wedge seating device
- with front stressing grip for small prestressing steel projection (working in constricted space conditions, saving strands)
- with interior parts for easy conversion to various stressing systems
- Hollow-piston cylinders with manual clamping device for strand anchors and bar anchors (if requested with ratchet drive)
- Special stressing jack designs such as lightweight, flat, twin or gradient stressing jacks
- Factory calibration up to 10000 kN or official calibration (presently up to 22000 kN)
- TENSAcontrol (option): Elongation and force logging for documentation of your quality
- Suitable hydraulic units (from portable up to pneumatic-tired versions, also special solutions with combustion engine)
- Heavy-duty pushing machines:
- up to 300 m strand
- feed speed up to 9 m/s
- manual joystick control or semiautomatic control
- meter counter
- with/wihout brake function
- for bridges, stay cables or LNG tanks
- Strand uncoiling reels
- Accessories for prestressing wire, strand and machine handling
- Post-tensioning wedges and barrels in all sizes and quantities
- Anchor plates in small series
We should be glad to provide advice on the following subjects
- Strand pushing
- Anchor stressing
- Wedge seating
- Calibration
- Approval of stressing methods
