Heavy lifting can be performed at different heights, depending on the structure or load to be lifted (dimensions, shape, weight…), worksite configuration, and purpose of the operation. To handle the structure or load involved, our teams operate the strand lifting or precision jacking methods.

Strand lifting

Heavy lifting using the strand jacking technology can be performed to quickly raise or lower almost any load, regardless of the height. This method is an appropriate solution when lifts have large dimensions, when loads require several lifting points, must be moved horizontally at heights, or require precise handling or placement in their final position.

Applications: bridges, buildings, nuclear plants, power plants, stadiums.
  • Cost-effective method
  • Fast process completion
  • Improved safety conditions

Precision jacking

This technique ensures safe and accurate lifting/lowering of rigid structures necessarily requiring multiple lifting points, due to uninterrupted control of the load movements in operations such as structure raising or decentering and bearing replacement. Computer-aided jacking operations can be performed in confined areas and support up to several thousand tons by several meters. Our computer-aided LAO® jacking system designed in-house has 48 separate hydraulic ways which already allowed us to lift structures up to 100,000 tons with a 0.3 mm accuracy.

Applications: bridges, buildings, nuclear plants, power plants.
  • Real-time control
  • Constant analysis of
    lifting parameters
  • Monitoring of stroke variations
    between lifting jacks

Related projects

Roof lifting / San Mamés Stadium, Spain

Roof lifting / San Mamés Stadium, Spain

Primarily assembled on the ground, the cable structure was then lifted to its final position at a 50 m height, with 160 strand jacks simultaneously monitored by video.

Bridge lowering / Oakland Bay Bridge, USA

As part of demolition works in San Francisco Bay, lowering of five 1,600-ton bridge trusses onto barges from heights up to 50 metres, using strand jacks while ensuring stable load balance during the execution operated at a speed of up to 14 m/h.

Bridge lowering / Oakland Bay Bridge, USA
Temporary structures / Atlantic Bridge, Panama

Temporary structures / Atlantic Bridge, Panama

As part of the construction of the cable-stayed bridge with the longest concrete deck span in the world (530m), delivery of a Megasteel self-erecting system to temporarily support the 120-ton formwork and 1,600-ton bridge concrete elements.

Eolift / Santa Monica wind farm, Brazil

Development of a new concrete tower design based on the use of precast segments (match-casting method), and of an innovative erection method. Added value of these innovations: construction time frame and cost reductions, lower carbon footprint than conventional steel towers.

Heavy lifting / Forth Crossing Bridge, Scotland

Heavy lifting / Forth Crossing Bridge, Scotland

Supply of strand jacks, hydraulic systems and control units to operate the six traveller steel frames used to lift bridge decks from barges into position during the construction of the world longest three-tower cable-stayed bridge. Installation supervision and execution of the system operation was conducted by Hebetec as well.

Some more case studies ...


CNIT underground station jacking

The construction of a station located underneath a Paris shopping centre required the taking up of a load of a frame assembly of some 100,000 tonnes, thanks to an innovative jacking system.

Hebetec, the Freyssinet lifting and heavy handling specialist

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